Use MicroCom instead of SharpGen (NOT TESTED YET)

src/Avalonia.MicroCom/IUnknown.cs

@@ -4,9 +4,5 @@ namespace Avalonia.MicroCom
 {
     public interface IUnknown : IDisposable
     {
-        void AddRef();
-        void Release();
-        int QueryInterface(Guid guid, out IntPtr ppv);
-        T QueryInterface<T>() where T : IUnknown;
     }
 }

src/Avalonia.MicroCom/MicroComProxyBase.cs

@@ -1,12 +1,15 @@
 using System;
+using System.Runtime.ConstrainedExecution;
 using System.Runtime.InteropServices;
+using System.Threading;
 
 namespace Avalonia.MicroCom
 {
-    public unsafe class MicroComProxyBase : IUnknown
+    public unsafe class MicroComProxyBase : CriticalFinalizerObject, IUnknown
     {
         private IntPtr _nativePointer;
         private bool _ownsHandle;
+        private SynchronizationContext _synchronizationContext;
 
         public IntPtr NativePointer
         {
@@ -24,6 +27,9 @@ namespace Avalonia.MicroCom
         {
             _nativePointer = nativePointer;
             _ownsHandle = ownsHandle;
+            _synchronizationContext = SynchronizationContext.Current;
+            if(!_ownsHandle)
+                GC.SuppressFinalize(this);
         }
 
         protected virtual int VTableSize => 3;
@@ -56,13 +62,16 @@ namespace Avalonia.MicroCom
         }
 
         public bool IsDisposed => _nativePointer == IntPtr.Zero;
-        
-        public void Dispose()
+
+        protected virtual void Dispose(bool disposing)
         {
             if (_ownsHandle)
                 Release();
             _nativePointer = IntPtr.Zero;
+            GC.SuppressFinalize(this);
         }
+        
+        public void Dispose() => Dispose(true);
 
         public bool OwnsHandle => _ownsHandle;
         
@@ -70,9 +79,27 @@ namespace Avalonia.MicroCom
         {
             if (!_ownsHandle)
             {
+                GC.ReRegisterForFinalize(true);
                 AddRef();
                 _ownsHandle = true;
             }
         }
+
+        private static readonly SendOrPostCallback _disposeDelegate = DisposeOnContext;
+
+        private static void DisposeOnContext(object state)
+        {
+            (state as MicroComProxyBase)?.Dispose(false);
+        }
+
+        ~MicroComProxyBase()
+        {
+            if(!_ownsHandle)
+                return;
+            if (_synchronizationContext == null)
+                Dispose();
+            else
+                _synchronizationContext.Post(_disposeDelegate, this);
+        }
     }
 }

src/Avalonia.MicroCom/MicroComRuntime.cs

@@ -34,9 +34,10 @@ namespace Avalonia.MicroCom
 
         public static Guid GetGuidFor(Type type) => _guids[type];
 
-        public static T CreateProxyFor<T>(void* ppv, bool ownsHandle) => (T)CreateProxyFor(typeof(T), new IntPtr(ppv), ownsHandle);
+        public static T CreateProxyFor<T>(void* pObject, bool ownsHandle) => (T)CreateProxyFor(typeof(T), new IntPtr(pObject), ownsHandle);
+        public static T CreateProxyFor<T>(IntPtr pObject, bool ownsHandle) => (T)CreateProxyFor(typeof(T), pObject, ownsHandle);
         
-        public static object CreateProxyFor(Type type, IntPtr ppv, bool ownsHandle) => _factories[type](ppv, ownsHandle);
+        public static object CreateProxyFor(Type type, IntPtr pObject, bool ownsHandle) => _factories[type](pObject, ownsHandle);
         
         public static void* GetNativePointer<T>(T obj, bool owned = false) where T : IUnknown
         {
@@ -84,5 +85,11 @@ namespace Avalonia.MicroCom
             }
 
         }
+
+        public static T CloneReference<T>(T iface) where T : IUnknown
+        {
+            var ownedPointer = GetNativePointer(iface, true);
+            return CreateProxyFor<T>(ownedPointer, true);
+        }
     }
 }

src/Avalonia.MicroCom/MicroComShadow.cs

@@ -77,7 +77,7 @@ namespace Avalonia.MicroCom
             {
                 try
                 {
-                    Target.OnUnreferencedFromNative();
+                    Target.OnReferencedFromNative();
                 }
                 catch (Exception e)
                 {

src/Avalonia.Native/.gitignore

@@ -1 +1,2 @@
 Generated/*.cs
+*.Generated.cs

src/Avalonia.Native/Avalonia.Native.csproj

@@ -21,11 +21,30 @@
   </ItemGroup>
   
   <ItemGroup>
-    <!--<SharpGenMapping Include="Mappings.xml" />-->
-    <PackageReference Include="SharpGenTools.Sdk" Version="1.2.1" PrivateAssets="all" />
-    <PackageReference Include="SharpGen.Runtime" Version="1.2.1" />
-    <PackageReference Include="SharpGen.Runtime.COM" Version="1.2.0" />
     <ProjectReference Include="..\..\packages\Avalonia\Avalonia.csproj" />
     <ProjectReference Include="..\Avalonia.Dialogs\Avalonia.Dialogs.csproj" />
   </ItemGroup>
+  
+  <!-- COM Interop generation -->
+  <ItemGroup>
+    <ProjectReference Include="..\tools\MicroComGenerator\MicroComGenerator.csproj">
+      <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
+      <ExcludeAssets>all</ExcludeAssets>
+      <SkipGetTargetFrameworkProperties>true</SkipGetTargetFrameworkProperties>
+    </ProjectReference>
+  </ItemGroup>
+    
+  <Target Name="GenerateAvaloniaNativeComInterop" AfterTargets="BeforeBuild" Inputs="avn.idl" Outputs="Interop.Generated.cs">
+    <Message Importance="high" Text="Generating Interop.Generated.cs" />
+    <Exec Command="dotnet ../tools/MicroComGenerator/bin/$(Configuration)/netcoreapp3.1/MicroComGenerator.dll -i avn.idl --cs Interop.Generated.cs" LogStandardErrorAsError="true" />
+    <ItemGroup>
+      <!-- Remove and re-add generated file, this is needed for the clean build -->
+      <Compile Remove="Interop.Generated.cs"/>
+      <Compile Include="Interop.Generated.cs"/>
+    </ItemGroup>
+  </Target>
+  <PropertyGroup>
+    <_AvaloniaPatchComInterop>true</_AvaloniaPatchComInterop>
+  </PropertyGroup>
+  <Import Project="..\..\build\BuildTargets.targets" />
 </Project>

src/Avalonia.Native/AvaloniaNativeMenuExporter.cs

@@ -4,6 +4,7 @@ using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Controls.Platform;
 using Avalonia.Dialogs;
 using Avalonia.Native.Interop;
+using Avalonia.Native.Interop.Impl;
 using Avalonia.Threading;
 
 namespace Avalonia.Native
@@ -15,7 +16,7 @@ namespace Avalonia.Native
         private bool _exported = false;
         private IAvnWindow _nativeWindow;
         private NativeMenu _menu;
-        private IAvnMenu _nativeMenu;
+        private __MicroComIAvnMenuProxy _nativeMenu;
 
         public AvaloniaNativeMenuExporter(IAvnWindow nativeWindow, IAvaloniaNativeFactory factory)
         {
@@ -135,7 +136,7 @@ namespace Avalonia.Native
 
             if (_nativeMenu is null)
             {
-                _nativeMenu = IAvnMenu.Create(_factory);
+                _nativeMenu = (__MicroComIAvnMenuProxy)__MicroComIAvnMenuProxy.Create(_factory);
 
                 _nativeMenu.Initialise(this, appMenuHolder, "");
 
@@ -156,7 +157,7 @@ namespace Avalonia.Native
 
             if (_nativeMenu is null)
             {
-                _nativeMenu = IAvnMenu.Create(_factory);
+                _nativeMenu = __MicroComIAvnMenuProxy.Create(_factory);
 
                 _nativeMenu.Initialise(this, menu, "");     
 

src/Avalonia.Native/AvaloniaNativePlatform.cs

@@ -4,6 +4,7 @@ using System.Security.Cryptography;
 using Avalonia.Controls.Platform;
 using Avalonia.Input;
 using Avalonia.Input.Platform;
+using Avalonia.MicroCom;
 using Avalonia.Native.Interop;
 using Avalonia.OpenGL;
 using Avalonia.Platform;
@@ -29,7 +30,7 @@ namespace Avalonia.Native
 
         public static AvaloniaNativePlatform Initialize(IntPtr factory, AvaloniaNativePlatformOptions options)
         {
-            var result =  new AvaloniaNativePlatform(new IAvaloniaNativeFactory(factory));
+            var result =  new AvaloniaNativePlatform(MicroComRuntime.CreateProxyFor<IAvaloniaNativeFactory>(factory, true));
             result.DoInitialize(options);
 
             return result;
@@ -65,10 +66,7 @@ namespace Avalonia.Native
         {
             if(!string.IsNullOrWhiteSpace(Application.Current.Name))
             {
-                using (var buffer = new Utf8Buffer(Application.Current.Name))
-                {
-                    _factory.MacOptions.SetApplicationTitle(buffer.DangerousGetHandle());
-                }
+                _factory.MacOptions.SetApplicationTitle(Application.Current.Name);
             }
         }
 
@@ -93,7 +91,7 @@ namespace Avalonia.Native
             {
                 var macOpts = AvaloniaLocator.Current.GetService<MacOSPlatformOptions>();
 
-                _factory.MacOptions.ShowInDock = macOpts?.ShowInDock != false ? 1 : 0;
+                _factory.MacOptions.SetShowInDock(macOpts?.ShowInDock != false ? 1 : 0);
             }
 
             AvaloniaLocator.CurrentMutable
@@ -153,7 +151,7 @@ namespace Avalonia.Native
             set
             {
                 _showInDock = value;
-                _opts.ShowInDock = value ? 1 : 0;
+                _opts.SetShowInDock(value ? 1 : 0);
             }
         }
     }

src/Avalonia.Native/AvaloniaNativePlatformOpenGlInterface.cs

@@ -150,12 +150,12 @@ namespace Avalonia.Native
         {
             get
             {
-                var s = _session.GetPixelSize();
+                var s = _session.PixelSize;
                 return new PixelSize(s.Width, s.Height);
             }
         }
 
-        public double Scaling => _session.GetScaling();
+        public double Scaling => _session.Scaling;
 
 
         public bool IsYFlipped => true;

src/Avalonia.Native/AvnString.cs

@@ -1,8 +1,22 @@
+using System;
 using System.Runtime.InteropServices;
 
 namespace Avalonia.Native.Interop
 {
-    unsafe partial class IAvnString
+    partial interface IAvnString
+    {
+        public string String { get; }
+        public byte[] Bytes { get; }
+    }
+
+    partial interface IAvnStringArray
+    {
+        string[] ToStringArray();
+    }
+}
+namespace Avalonia.Native.Interop.Impl
+{
+    unsafe partial class __MicroComIAvnStringProxy
     {
         private string _managed;
         private byte[] _bytes;
@@ -16,7 +30,7 @@ namespace Avalonia.Native.Interop
                     var ptr = Pointer();
                     if (ptr == null)
                         return null;
-                    _managed = System.Text.Encoding.UTF8.GetString((byte*)ptr.ToPointer(), Length());
+                    _managed = System.Text.Encoding.UTF8.GetString((byte*)ptr, Length());
                 }
 
                 return _managed;
@@ -30,7 +44,7 @@ namespace Avalonia.Native.Interop
                 if (_bytes == null)
                 {
                     _bytes = new byte[Length()];
-                    Marshal.Copy(Pointer(), _bytes, 0, _bytes.Length);
+                    Marshal.Copy(new IntPtr(Pointer()), _bytes, 0, _bytes.Length);
                 }
 
                 return _bytes;
@@ -40,7 +54,7 @@ namespace Avalonia.Native.Interop
         public override string ToString() => String;
     }
     
-    partial class IAvnStringArray
+    partial class __MicroComIAvnStringArrayProxy
     {
         public string[] ToStringArray()
         {

src/Avalonia.Native/CallbackBase.cs

@@ -1,44 +1,30 @@
 using System;
 using System.Runtime.ExceptionServices;
-using SharpGen.Runtime;
+using Avalonia.MicroCom;
 using Avalonia.Platform;
 
 namespace Avalonia.Native
 {
-    public class CallbackBase : SharpGen.Runtime.IUnknown, IExceptionCallback
+    public class CallbackBase : IUnknown, IMicroComShadowContainer, IMicroComExceptionCallback
     {
-        private uint _refCount;
-        private bool _disposed;
         private readonly object _lock = new object();
-        private ShadowContainer _shadow;
+        private bool _referencedFromManaged = true;
+        private bool _referencedFromNative = false;
+        private bool _destroyed;
+        
 
-        public CallbackBase()
-        {
-            _refCount = 1;
-        }
-
-        public ShadowContainer Shadow
+        protected virtual void Destroyed()
         {
-            get => _shadow;
-            set
-            {
-                lock (_lock)
-                {
-                    if (_disposed && value != null)
-                    {
-                        throw new ObjectDisposedException("CallbackBase");
-                    }
 
-                    _shadow = value;
-                }
-            }
         }
 
-        public uint AddRef()
+        public void RaiseException(Exception e)
         {
-            lock (_lock)
+            if (AvaloniaLocator.Current.GetService<IPlatformThreadingInterface>() is PlatformThreadingInterface threadingInterface)
             {
-                return ++_refCount;
+                threadingInterface.TerminateNativeApp();
+
+                threadingInterface.DispatchException(ExceptionDispatchInfo.Capture(e));
             }
         }
 
@@ -46,43 +32,35 @@ namespace Avalonia.Native
         {
             lock (_lock)
             {
-                if (!_disposed)
-                {
-                    _disposed = true;
-                    Release();
-                }
+                _referencedFromManaged = false;
+                DestroyIfNeeded();
             }
         }
 
-        public uint Release()
+        void DestroyIfNeeded()
         {
-            lock (_lock)
+            if(_destroyed)
+                return;
+            if (_referencedFromManaged == false && _referencedFromNative == false)
             {
-                _refCount--;
-
-                if (_refCount == 0)
-                {
-                    Shadow?.Dispose();
-                    Shadow = null;
-                    Destroyed();
-                }
-
-                return _refCount;
+                _destroyed = true;
+                Destroyed();
             }
         }
 
-        protected virtual void Destroyed()
+        public MicroComShadow Shadow { get; set; }
+        public void OnReferencedFromNative()
         {
-
+            lock (_lock) 
+                _referencedFromNative = true;
         }
 
-        public void RaiseException(Exception e)
+        public void OnUnreferencedFromNative()
         {
-            if (AvaloniaLocator.Current.GetService<IPlatformThreadingInterface>() is PlatformThreadingInterface threadingInterface)
+            lock (_lock)
             {
-                threadingInterface.TerminateNativeApp();
-
-                threadingInterface.DispatchException(ExceptionDispatchInfo.Capture(e));
+                _referencedFromNative = false;
+                DestroyIfNeeded();
             }
         }
     }

src/Avalonia.Native/ClipboardImpl.cs

@@ -35,17 +35,12 @@ namespace Avalonia.Native
                 return Task.FromResult(text.String);
         }
 
-        public Task SetTextAsync(string text)
+        public unsafe Task SetTextAsync(string text)
         {
             _native.Clear();
 
-            if (text != null)
-            {
-                using (var buffer = new Utf8Buffer(text))
-                {
-                    _native.SetText(NSPasteboardTypeString, buffer.DangerousGetHandle());
-                }
-            }
+            if (text != null) 
+                _native.SetText(NSPasteboardTypeString, text);
 
             return Task.CompletedTask;
         }
@@ -90,11 +85,10 @@ namespace Avalonia.Native
             {
                 var o = data.Get(fmt);
                 if(o is string s)
-                    using (var b = new Utf8Buffer(s))
-                        _native.SetText(fmt, b.DangerousGetHandle());
+                    _native.SetText(fmt, s);
                 else if(o is byte[] bytes)
                     fixed (byte* pbytes = bytes)
-                        _native.SetBytes(fmt, new IntPtr(pbytes), bytes.Length);
+                        _native.SetBytes(fmt, pbytes, bytes.Length);
             }
             return Task.CompletedTask;
         }

src/Avalonia.Native/DeferredFramebuffer.cs

@@ -2,11 +2,10 @@
 using System.Runtime.InteropServices;
 using Avalonia.Native.Interop;
 using Avalonia.Platform;
-using SharpGen.Runtime;
 
 namespace Avalonia.Native
 {
-    public class DeferredFramebuffer : ILockedFramebuffer
+    internal unsafe class DeferredFramebuffer : ILockedFramebuffer
     {
         private readonly Func<Action<IAvnWindowBase>, bool> _lockWindow;
 
@@ -56,7 +55,7 @@ namespace Avalonia.Native
             {
                 var fb = new AvnFramebuffer
                 {
-                    Data = Address,
+                    Data = Address.ToPointer(),
                     Dpi = new AvnVector
                     {
                         X = Dpi.X,
@@ -70,7 +69,7 @@ namespace Avalonia.Native
 
                 using (var d = new Disposer(Address))
                 {
-                    win.ThreadSafeSetSwRenderedFrame(ref fb, d);
+                    win.ThreadSafeSetSwRenderedFrame(&fb, d);
                 }
             }))
             {

src/Avalonia.Native/Generated/Enumerations.cs

@@ -1,628 +0,0 @@
-// <auto-generated/>
-
-namespace Avalonia.Native.Interop
-{
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnDragDropEffects</unmanaged>
-    /// <unmanaged-short>AvnDragDropEffects</unmanaged-short>
-    public enum AvnDragDropEffects : System.Int32
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>None</unmanaged>
-        /// <unmanaged-short>None</unmanaged-short>
-        None = unchecked ((System.Int32)(0)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Copy</unmanaged>
-        /// <unmanaged-short>Copy</unmanaged-short>
-        Copy = unchecked ((System.Int32)(1)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Move</unmanaged>
-        /// <unmanaged-short>Move</unmanaged-short>
-        Move = unchecked ((System.Int32)(2)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Link</unmanaged>
-        /// <unmanaged-short>Link</unmanaged-short>
-        Link = unchecked ((System.Int32)(4))}
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnDragEventType</unmanaged>
-    /// <unmanaged-short>AvnDragEventType</unmanaged-short>
-    public enum AvnDragEventType : System.Int32
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Enter</unmanaged>
-        /// <unmanaged-short>Enter</unmanaged-short>
-        Enter = unchecked ((System.Int32)(0)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Over</unmanaged>
-        /// <unmanaged-short>Over</unmanaged-short>
-        Over = unchecked ((System.Int32)(1)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Leave</unmanaged>
-        /// <unmanaged-short>Leave</unmanaged-short>
-        Leave = unchecked ((System.Int32)(2)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Drop</unmanaged>
-        /// <unmanaged-short>Drop</unmanaged-short>
-        Drop = unchecked ((System.Int32)(3))}
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnExtendClientAreaChromeHints</unmanaged>
-    /// <unmanaged-short>AvnExtendClientAreaChromeHints</unmanaged-short>
-    public enum AvnExtendClientAreaChromeHints : System.Int32
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>AvnNoChrome</unmanaged>
-        /// <unmanaged-short>AvnNoChrome</unmanaged-short>
-        AvnNoChrome = unchecked ((System.Int32)(0)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>AvnSystemChrome</unmanaged>
-        /// <unmanaged-short>AvnSystemChrome</unmanaged-short>
-        AvnSystemChrome = unchecked ((System.Int32)(1)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>AvnPreferSystemChrome</unmanaged>
-        /// <unmanaged-short>AvnPreferSystemChrome</unmanaged-short>
-        AvnPreferSystemChrome = unchecked ((System.Int32)(2)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>AvnOSXThickTitleBar</unmanaged>
-        /// <unmanaged-short>AvnOSXThickTitleBar</unmanaged-short>
-        AvnOSXThickTitleBar = unchecked ((System.Int32)(8)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>AvnDefaultChrome</unmanaged>
-        /// <unmanaged-short>AvnDefaultChrome</unmanaged-short>
-        AvnDefaultChrome = unchecked ((System.Int32)(1))}
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnInputModifiers</unmanaged>
-    /// <unmanaged-short>AvnInputModifiers</unmanaged-short>
-    public enum AvnInputModifiers : System.Int32
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>AvnInputModifiersNone</unmanaged>
-        /// <unmanaged-short>AvnInputModifiersNone</unmanaged-short>
-        AvnInputModifiersNone = unchecked ((System.Int32)(0)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Alt</unmanaged>
-        /// <unmanaged-short>Alt</unmanaged-short>
-        Alt = unchecked ((System.Int32)(1)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Control</unmanaged>
-        /// <unmanaged-short>Control</unmanaged-short>
-        Control = unchecked ((System.Int32)(2)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Shift</unmanaged>
-        /// <unmanaged-short>Shift</unmanaged-short>
-        Shift = unchecked ((System.Int32)(4)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Windows</unmanaged>
-        /// <unmanaged-short>Windows</unmanaged-short>
-        Windows = unchecked ((System.Int32)(8)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>LeftMouseButton</unmanaged>
-        /// <unmanaged-short>LeftMouseButton</unmanaged-short>
-        LeftMouseButton = unchecked ((System.Int32)(16)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>RightMouseButton</unmanaged>
-        /// <unmanaged-short>RightMouseButton</unmanaged-short>
-        RightMouseButton = unchecked ((System.Int32)(32)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>MiddleMouseButton</unmanaged>
-        /// <unmanaged-short>MiddleMouseButton</unmanaged-short>
-        MiddleMouseButton = unchecked ((System.Int32)(64)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>XButton1MouseButton</unmanaged>
-        /// <unmanaged-short>XButton1MouseButton</unmanaged-short>
-        XButton1MouseButton = unchecked ((System.Int32)(128)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>XButton2MouseButton</unmanaged>
-        /// <unmanaged-short>XButton2MouseButton</unmanaged-short>
-        XButton2MouseButton = unchecked ((System.Int32)(256))}
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnMenuItemToggleType</unmanaged>
-    /// <unmanaged-short>AvnMenuItemToggleType</unmanaged-short>
-    public enum AvnMenuItemToggleType : System.Int32
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>None</unmanaged>
-        /// <unmanaged-short>None</unmanaged-short>
-        None = unchecked ((System.Int32)(0)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CheckMark</unmanaged>
-        /// <unmanaged-short>CheckMark</unmanaged-short>
-        CheckMark = unchecked ((System.Int32)(1)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Radio</unmanaged>
-        /// <unmanaged-short>Radio</unmanaged-short>
-        Radio = unchecked ((System.Int32)(2))}
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnPixelFormat</unmanaged>
-    /// <unmanaged-short>AvnPixelFormat</unmanaged-short>
-    public enum AvnPixelFormat : System.Int32
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>kAvnRgb565</unmanaged>
-        /// <unmanaged-short>kAvnRgb565</unmanaged-short>
-        KAvnRgb565 = unchecked ((System.Int32)(0)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>kAvnRgba8888</unmanaged>
-        /// <unmanaged-short>kAvnRgba8888</unmanaged-short>
-        KAvnRgba8888 = unchecked ((System.Int32)(1)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>kAvnBgra8888</unmanaged>
-        /// <unmanaged-short>kAvnBgra8888</unmanaged-short>
-        KAvnBgra8888 = unchecked ((System.Int32)(2))}
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnRawKeyEventType</unmanaged>
-    /// <unmanaged-short>AvnRawKeyEventType</unmanaged-short>
-    public enum AvnRawKeyEventType : System.Int32
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>KeyDown</unmanaged>
-        /// <unmanaged-short>KeyDown</unmanaged-short>
-        KeyDown = unchecked ((System.Int32)(0)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>KeyUp</unmanaged>
-        /// <unmanaged-short>KeyUp</unmanaged-short>
-        KeyUp = unchecked ((System.Int32)(1))}
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnRawMouseEventType</unmanaged>
-    /// <unmanaged-short>AvnRawMouseEventType</unmanaged-short>
-    public enum AvnRawMouseEventType : System.Int32
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>LeaveWindow</unmanaged>
-        /// <unmanaged-short>LeaveWindow</unmanaged-short>
-        LeaveWindow = unchecked ((System.Int32)(0)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>LeftButtonDown</unmanaged>
-        /// <unmanaged-short>LeftButtonDown</unmanaged-short>
-        LeftButtonDown = unchecked ((System.Int32)(1)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>LeftButtonUp</unmanaged>
-        /// <unmanaged-short>LeftButtonUp</unmanaged-short>
-        LeftButtonUp = unchecked ((System.Int32)(2)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>RightButtonDown</unmanaged>
-        /// <unmanaged-short>RightButtonDown</unmanaged-short>
-        RightButtonDown = unchecked ((System.Int32)(3)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>RightButtonUp</unmanaged>
-        /// <unmanaged-short>RightButtonUp</unmanaged-short>
-        RightButtonUp = unchecked ((System.Int32)(4)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>MiddleButtonDown</unmanaged>
-        /// <unmanaged-short>MiddleButtonDown</unmanaged-short>
-        MiddleButtonDown = unchecked ((System.Int32)(5)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>MiddleButtonUp</unmanaged>
-        /// <unmanaged-short>MiddleButtonUp</unmanaged-short>
-        MiddleButtonUp = unchecked ((System.Int32)(6)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>XButton1Down</unmanaged>
-        /// <unmanaged-short>XButton1Down</unmanaged-short>
-        XButton1Down = unchecked ((System.Int32)(7)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>XButton1Up</unmanaged>
-        /// <unmanaged-short>XButton1Up</unmanaged-short>
-        XButton1Up = unchecked ((System.Int32)(8)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>XButton2Down</unmanaged>
-        /// <unmanaged-short>XButton2Down</unmanaged-short>
-        XButton2Down = unchecked ((System.Int32)(9)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>XButton2Up</unmanaged>
-        /// <unmanaged-short>XButton2Up</unmanaged-short>
-        XButton2Up = unchecked ((System.Int32)(10)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Move</unmanaged>
-        /// <unmanaged-short>Move</unmanaged-short>
-        Move = unchecked ((System.Int32)(11)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Wheel</unmanaged>
-        /// <unmanaged-short>Wheel</unmanaged-short>
-        Wheel = unchecked ((System.Int32)(12)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>NonClientLeftButtonDown</unmanaged>
-        /// <unmanaged-short>NonClientLeftButtonDown</unmanaged-short>
-        NonClientLeftButtonDown = unchecked ((System.Int32)(13)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>TouchBegin</unmanaged>
-        /// <unmanaged-short>TouchBegin</unmanaged-short>
-        TouchBegin = unchecked ((System.Int32)(14)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>TouchUpdate</unmanaged>
-        /// <unmanaged-short>TouchUpdate</unmanaged-short>
-        TouchUpdate = unchecked ((System.Int32)(15)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>TouchEnd</unmanaged>
-        /// <unmanaged-short>TouchEnd</unmanaged-short>
-        TouchEnd = unchecked ((System.Int32)(16)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>TouchCancel</unmanaged>
-        /// <unmanaged-short>TouchCancel</unmanaged-short>
-        TouchCancel = unchecked ((System.Int32)(17))}
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnStandardCursorType</unmanaged>
-    /// <unmanaged-short>AvnStandardCursorType</unmanaged-short>
-    public enum AvnStandardCursorType : System.Int32
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorArrow</unmanaged>
-        /// <unmanaged-short>CursorArrow</unmanaged-short>
-        CursorArrow = unchecked ((System.Int32)(0)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorIbeam</unmanaged>
-        /// <unmanaged-short>CursorIbeam</unmanaged-short>
-        CursorIbeam = unchecked ((System.Int32)(1)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorWait</unmanaged>
-        /// <unmanaged-short>CursorWait</unmanaged-short>
-        CursorWait = unchecked ((System.Int32)(2)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorCross</unmanaged>
-        /// <unmanaged-short>CursorCross</unmanaged-short>
-        CursorCross = unchecked ((System.Int32)(3)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorUpArrow</unmanaged>
-        /// <unmanaged-short>CursorUpArrow</unmanaged-short>
-        CursorUpArrow = unchecked ((System.Int32)(4)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorSizeWestEast</unmanaged>
-        /// <unmanaged-short>CursorSizeWestEast</unmanaged-short>
-        CursorSizeWestEast = unchecked ((System.Int32)(5)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorSizeNorthSouth</unmanaged>
-        /// <unmanaged-short>CursorSizeNorthSouth</unmanaged-short>
-        CursorSizeNorthSouth = unchecked ((System.Int32)(6)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorSizeAll</unmanaged>
-        /// <unmanaged-short>CursorSizeAll</unmanaged-short>
-        CursorSizeAll = unchecked ((System.Int32)(7)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorNo</unmanaged>
-        /// <unmanaged-short>CursorNo</unmanaged-short>
-        CursorNo = unchecked ((System.Int32)(8)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorHand</unmanaged>
-        /// <unmanaged-short>CursorHand</unmanaged-short>
-        CursorHand = unchecked ((System.Int32)(9)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorAppStarting</unmanaged>
-        /// <unmanaged-short>CursorAppStarting</unmanaged-short>
-        CursorAppStarting = unchecked ((System.Int32)(10)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorHelp</unmanaged>
-        /// <unmanaged-short>CursorHelp</unmanaged-short>
-        CursorHelp = unchecked ((System.Int32)(11)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorTopSide</unmanaged>
-        /// <unmanaged-short>CursorTopSide</unmanaged-short>
-        CursorTopSide = unchecked ((System.Int32)(12)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorBottomSize</unmanaged>
-        /// <unmanaged-short>CursorBottomSize</unmanaged-short>
-        CursorBottomSize = unchecked ((System.Int32)(13)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorLeftSide</unmanaged>
-        /// <unmanaged-short>CursorLeftSide</unmanaged-short>
-        CursorLeftSide = unchecked ((System.Int32)(14)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorRightSide</unmanaged>
-        /// <unmanaged-short>CursorRightSide</unmanaged-short>
-        CursorRightSide = unchecked ((System.Int32)(15)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorTopLeftCorner</unmanaged>
-        /// <unmanaged-short>CursorTopLeftCorner</unmanaged-short>
-        CursorTopLeftCorner = unchecked ((System.Int32)(16)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorTopRightCorner</unmanaged>
-        /// <unmanaged-short>CursorTopRightCorner</unmanaged-short>
-        CursorTopRightCorner = unchecked ((System.Int32)(17)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorBottomLeftCorner</unmanaged>
-        /// <unmanaged-short>CursorBottomLeftCorner</unmanaged-short>
-        CursorBottomLeftCorner = unchecked ((System.Int32)(18)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorBottomRightCorner</unmanaged>
-        /// <unmanaged-short>CursorBottomRightCorner</unmanaged-short>
-        CursorBottomRightCorner = unchecked ((System.Int32)(19)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorDragMove</unmanaged>
-        /// <unmanaged-short>CursorDragMove</unmanaged-short>
-        CursorDragMove = unchecked ((System.Int32)(20)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorDragCopy</unmanaged>
-        /// <unmanaged-short>CursorDragCopy</unmanaged-short>
-        CursorDragCopy = unchecked ((System.Int32)(21)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorDragLink</unmanaged>
-        /// <unmanaged-short>CursorDragLink</unmanaged-short>
-        CursorDragLink = unchecked ((System.Int32)(22)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>CursorNone</unmanaged>
-        /// <unmanaged-short>CursorNone</unmanaged-short>
-        CursorNone = unchecked ((System.Int32)(23))}
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnWindowEdge</unmanaged>
-    /// <unmanaged-short>AvnWindowEdge</unmanaged-short>
-    public enum AvnWindowEdge : System.Int32
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>WindowEdgeNorthWest</unmanaged>
-        /// <unmanaged-short>WindowEdgeNorthWest</unmanaged-short>
-        WindowEdgeNorthWest = unchecked ((System.Int32)(0)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>WindowEdgeNorth</unmanaged>
-        /// <unmanaged-short>WindowEdgeNorth</unmanaged-short>
-        WindowEdgeNorth = unchecked ((System.Int32)(1)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>WindowEdgeNorthEast</unmanaged>
-        /// <unmanaged-short>WindowEdgeNorthEast</unmanaged-short>
-        WindowEdgeNorthEast = unchecked ((System.Int32)(2)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>WindowEdgeWest</unmanaged>
-        /// <unmanaged-short>WindowEdgeWest</unmanaged-short>
-        WindowEdgeWest = unchecked ((System.Int32)(3)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>WindowEdgeEast</unmanaged>
-        /// <unmanaged-short>WindowEdgeEast</unmanaged-short>
-        WindowEdgeEast = unchecked ((System.Int32)(4)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>WindowEdgeSouthWest</unmanaged>
-        /// <unmanaged-short>WindowEdgeSouthWest</unmanaged-short>
-        WindowEdgeSouthWest = unchecked ((System.Int32)(5)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>WindowEdgeSouth</unmanaged>
-        /// <unmanaged-short>WindowEdgeSouth</unmanaged-short>
-        WindowEdgeSouth = unchecked ((System.Int32)(6)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>WindowEdgeSouthEast</unmanaged>
-        /// <unmanaged-short>WindowEdgeSouthEast</unmanaged-short>
-        WindowEdgeSouthEast = unchecked ((System.Int32)(7))}
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnWindowState</unmanaged>
-    /// <unmanaged-short>AvnWindowState</unmanaged-short>
-    public enum AvnWindowState : System.Int32
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Normal</unmanaged>
-        /// <unmanaged-short>Normal</unmanaged-short>
-        Normal = unchecked ((System.Int32)(0)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Minimized</unmanaged>
-        /// <unmanaged-short>Minimized</unmanaged-short>
-        Minimized = unchecked ((System.Int32)(1)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Maximized</unmanaged>
-        /// <unmanaged-short>Maximized</unmanaged-short>
-        Maximized = unchecked ((System.Int32)(2)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>FullScreen</unmanaged>
-        /// <unmanaged-short>FullScreen</unmanaged-short>
-        FullScreen = unchecked ((System.Int32)(3))}
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>SystemDecorations</unmanaged>
-    /// <unmanaged-short>SystemDecorations</unmanaged-short>
-    public enum SystemDecorations : System.Int32
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>SystemDecorationsNone</unmanaged>
-        /// <unmanaged-short>SystemDecorationsNone</unmanaged-short>
-        SystemDecorationsNone = unchecked ((System.Int32)(0)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>SystemDecorationsBorderOnly</unmanaged>
-        /// <unmanaged-short>SystemDecorationsBorderOnly</unmanaged-short>
-        SystemDecorationsBorderOnly = unchecked ((System.Int32)(1)),
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>SystemDecorationsFull</unmanaged>
-        /// <unmanaged-short>SystemDecorationsFull</unmanaged-short>
-        SystemDecorationsFull = unchecked ((System.Int32)(2))}
-}

src/Avalonia.Native/Generated/Functions.cs

@@ -1,5 +0,0 @@
-// <auto-generated/>
-
-namespace Avalonia.Native.Interop
-{
-}

src/Avalonia.Native/Generated/LocalInterop.cs

@@ -1,202 +0,0 @@
-// <auto-generated/>
-
-namespace Avalonia.Native
-{
-    internal static partial class LocalInterop
-    {
-        public static unsafe int CalliThisCallint(void *thisObject, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe void CalliThisCallvoid(void *thisObject, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe void CalliThisCallvoid(void *thisObject, void *param0, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe void CalliThisCallvoid0(void *thisObject, Avalonia.Native.Interop.AvnPoint param0, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe void CalliThisCallvoid0(void *thisObject, int param0, System.UInt32 param1, int param2, Avalonia.Native.Interop.AvnPoint param3, Avalonia.Native.Interop.AvnVector param4, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe System.Byte CalliThisCallSystemByte(void *thisObject, int param0, System.UInt32 param1, int param2, System.UInt32 param3, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe System.Byte CalliThisCallSystemByte(void *thisObject, System.UInt32 param0, void *param1, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe void CalliThisCallvoid(void *thisObject, double param0, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe Avalonia.Native.Interop.AvnDragDropEffects CalliThisCallAvaloniaNativeInteropAvnDragDropEffects0(void *thisObject, int param0, Avalonia.Native.Interop.AvnPoint param1, int param2, int param3, void *param4, void *param5, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe System.Byte CalliThisCallSystemByte(void *thisObject, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe void CalliThisCallvoid(void *thisObject, int param0, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint(void *thisObject, void *param0, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint0(void *thisObject, Avalonia.Native.Interop.AvnSize param0, Avalonia.Native.Interop.AvnSize param1, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint(void *thisObject, double param0, double param1, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint0(void *thisObject, Avalonia.Native.Interop.AvnRect param0, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint(void *thisObject, int param0, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint0(void *thisObject, Avalonia.Native.Interop.AvnPoint param0, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint0(void *thisObject, Avalonia.Native.Interop.AvnPoint param0, void *param1, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint(void *thisObject, void *param0, void *param1, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint(void *thisObject, System.Byte param0, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint0(void *thisObject, int param0, Avalonia.Native.Interop.AvnPoint param1, void *param2, void *param3, void *param4, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint0(void *thisObject, Avalonia.Native.Interop.AvnColor param0, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint(void *thisObject, double param0, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe System.IntPtr CalliThisCallSystemIntPtr(void *thisObject, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe System.IntPtr CalliThisCallSystemIntPtr(void *thisObject, int param0, int param1, void *param2, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe void CalliThisCallvoid(void *thisObject, int param0, void *param1, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe void CalliThisCallvoid(void *thisObject, void *param0, void *param1, void *param2, void *param3, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe void CalliThisCallvoid(void *thisObject, void *param0, void *param1, System.Byte param2, void *param3, void *param4, void *param5, void *param6, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe void CalliThisCallvoid(void *thisObject, void *param0, void *param1, void *param2, void *param3, void *param4, void *param5, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint(void *thisObject, int param0, void *param1, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint(void *thisObject, void *param0, void *param1, int param2, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe System.IntPtr CalliThisCallSystemIntPtr(void *thisObject, void *param0, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint(void *thisObject, void *param0, int param1, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe System.UInt32 CalliThisCallSystemUInt32(void *thisObject, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint(void *thisObject, System.UInt32 param0, void *param1, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe void CalliThisCallvoid(void *thisObject, float param0, float param1, float param2, float param3, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe void CalliThisCallvoid(void *thisObject, float param0, float param1, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe int CalliThisCallint(void *thisObject, void *param0, void *param1, void *param2, void *methodPtr)
-        {
-            throw null;
-        }
-
-        public static unsafe void CalliThisCallvoid(void *thisObject, int param0, System.Byte param1, void *methodPtr)
-        {
-            throw null;
-        }
-    }
-}

src/Avalonia.Native/Generated/Structures.cs

@@ -1,246 +0,0 @@
-// <auto-generated/>
-
-namespace Avalonia.Native.Interop
-{
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnColor</unmanaged>
-    /// <unmanaged-short>AvnColor</unmanaged-short>
-    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Pack = 0, CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
-    public partial struct AvnColor
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Alpha</unmanaged>
-        /// <unmanaged-short>Alpha</unmanaged-short>
-        public System.Byte Alpha;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Red</unmanaged>
-        /// <unmanaged-short>Red</unmanaged-short>
-        public System.Byte Red;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Green</unmanaged>
-        /// <unmanaged-short>Green</unmanaged-short>
-        public System.Byte Green;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Blue</unmanaged>
-        /// <unmanaged-short>Blue</unmanaged-short>
-        public System.Byte Blue;
-    }
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnFramebuffer</unmanaged>
-    /// <unmanaged-short>AvnFramebuffer</unmanaged-short>
-    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Pack = 0, CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
-    public partial struct AvnFramebuffer
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Data</unmanaged>
-        /// <unmanaged-short>Data</unmanaged-short>
-        public System.IntPtr Data;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Width</unmanaged>
-        /// <unmanaged-short>Width</unmanaged-short>
-        public System.Int32 Width;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Height</unmanaged>
-        /// <unmanaged-short>Height</unmanaged-short>
-        public System.Int32 Height;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Stride</unmanaged>
-        /// <unmanaged-short>Stride</unmanaged-short>
-        public System.Int32 Stride;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Dpi</unmanaged>
-        /// <unmanaged-short>Dpi</unmanaged-short>
-        public Avalonia.Native.Interop.AvnVector Dpi;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>PixelFormat</unmanaged>
-        /// <unmanaged-short>PixelFormat</unmanaged-short>
-        public Avalonia.Native.Interop.AvnPixelFormat PixelFormat;
-    }
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnPixelSize</unmanaged>
-    /// <unmanaged-short>AvnPixelSize</unmanaged-short>
-    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Pack = 0, CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
-    public partial struct AvnPixelSize
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Width</unmanaged>
-        /// <unmanaged-short>Width</unmanaged-short>
-        public System.Int32 Width;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Height</unmanaged>
-        /// <unmanaged-short>Height</unmanaged-short>
-        public System.Int32 Height;
-    }
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnPoint</unmanaged>
-    /// <unmanaged-short>AvnPoint</unmanaged-short>
-    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Pack = 0, CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
-    public partial struct AvnPoint
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>X</unmanaged>
-        /// <unmanaged-short>X</unmanaged-short>
-        public System.Double X;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Y</unmanaged>
-        /// <unmanaged-short>Y</unmanaged-short>
-        public System.Double Y;
-    }
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnRect</unmanaged>
-    /// <unmanaged-short>AvnRect</unmanaged-short>
-    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Pack = 0, CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
-    public partial struct AvnRect
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>X</unmanaged>
-        /// <unmanaged-short>X</unmanaged-short>
-        public System.Double X;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Y</unmanaged>
-        /// <unmanaged-short>Y</unmanaged-short>
-        public System.Double Y;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Width</unmanaged>
-        /// <unmanaged-short>Width</unmanaged-short>
-        public System.Double Width;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Height</unmanaged>
-        /// <unmanaged-short>Height</unmanaged-short>
-        public System.Double Height;
-    }
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnScreen</unmanaged>
-    /// <unmanaged-short>AvnScreen</unmanaged-short>
-    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Pack = 0, CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
-    public partial struct AvnScreen
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Bounds</unmanaged>
-        /// <unmanaged-short>Bounds</unmanaged-short>
-        public Avalonia.Native.Interop.AvnRect Bounds;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>WorkingArea</unmanaged>
-        /// <unmanaged-short>WorkingArea</unmanaged-short>
-        public Avalonia.Native.Interop.AvnRect WorkingArea;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>PixelDensity</unmanaged>
-        /// <unmanaged-short>PixelDensity</unmanaged-short>
-        public System.Single PixelDensity;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Primary</unmanaged>
-        /// <unmanaged-short>Primary</unmanaged-short>
-        public bool Primary
-        {
-            get => 0 != _Primary;
-            set => _Primary = (System.Byte)(value ? 1 : 0);
-        }
-
-        internal System.Byte _Primary;
-    }
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnSize</unmanaged>
-    /// <unmanaged-short>AvnSize</unmanaged-short>
-    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Pack = 0, CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
-    public partial struct AvnSize
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Width</unmanaged>
-        /// <unmanaged-short>Width</unmanaged-short>
-        public System.Double Width;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Height</unmanaged>
-        /// <unmanaged-short>Height</unmanaged-short>
-        public System.Double Height;
-    }
-
-    /// <summary>
-    /// No documentation.
-    /// </summary>
-    /// <unmanaged>AvnVector</unmanaged>
-    /// <unmanaged-short>AvnVector</unmanaged-short>
-    [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, Pack = 0, CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
-    public partial struct AvnVector
-    {
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>X</unmanaged>
-        /// <unmanaged-short>X</unmanaged-short>
-        public System.Double X;
-        /// <summary>
-        /// No documentation.
-        /// </summary>
-        /// <unmanaged>Y</unmanaged>
-        /// <unmanaged-short>Y</unmanaged-short>
-        public System.Double Y;
-    }
-}

src/Avalonia.Native/Helpers.cs

@@ -2,7 +2,7 @@
 
 namespace Avalonia.Native
 {
-    public static class Helpers
+    internal static class Helpers
     {
         public static Point ToAvaloniaPoint (this AvnPoint pt)
         {

src/Avalonia.Native/IAvnMenu.cs

@@ -22,15 +22,23 @@ namespace Avalonia.Native.Interop
         }
     }
 
-    public partial class IAvnMenu
+    partial interface IAvnMenu
+    {
+        void RaiseNeedsUpdate();
+        void Deinitialise();
+    }
+}
+namespace Avalonia.Native.Interop.Impl
+{
+    partial class __MicroComIAvnMenuProxy
     {
         private MenuEvents _events;
         private AvaloniaNativeMenuExporter _exporter;
-        private List<IAvnMenuItem> _menuItems = new List<IAvnMenuItem>();
-        private Dictionary<NativeMenuItemBase, IAvnMenuItem> _menuItemLookup = new Dictionary<NativeMenuItemBase, IAvnMenuItem>();
+        private List<__MicroComIAvnMenuItemProxy> _menuItems = new List<__MicroComIAvnMenuItemProxy>();
+        private Dictionary<NativeMenuItemBase, __MicroComIAvnMenuItemProxy> _menuItemLookup = new Dictionary<NativeMenuItemBase, __MicroComIAvnMenuItemProxy>();
         private CompositeDisposable _propertyDisposables = new CompositeDisposable();
 
-        internal void RaiseNeedsUpdate()
+        public void RaiseNeedsUpdate()
         {
             (ManagedMenu as INativeMenuExporterEventsImplBridge).RaiseNeedsUpdate();
 
@@ -39,11 +47,11 @@ namespace Avalonia.Native.Interop
 
         internal NativeMenu ManagedMenu { get; private set; }
 
-        public static IAvnMenu Create(IAvaloniaNativeFactory factory)
+        public static __MicroComIAvnMenuProxy Create(IAvaloniaNativeFactory factory)
         {
             var events = new MenuEvents();
 
-            var menu = factory.CreateMenu(events);
+            var menu = (__MicroComIAvnMenuProxy)factory.CreateMenu(events);
 
             events.Initialise(menu);
 
@@ -60,7 +68,7 @@ namespace Avalonia.Native.Interop
             }
         }
 
-        private void RemoveAndDispose(IAvnMenuItem item)
+        private void RemoveAndDispose(__MicroComIAvnMenuItemProxy item)
         {
             _menuItemLookup.Remove(item.ManagedMenuItem);
             _menuItems.Remove(item);
@@ -70,7 +78,7 @@ namespace Avalonia.Native.Interop
             item.Dispose();
         }
 
-        private void MoveExistingTo(int index, IAvnMenuItem item)
+        private void MoveExistingTo(int index, __MicroComIAvnMenuItemProxy item)
         {
             _menuItems.Remove(item);
             _menuItems.Insert(index, item);
@@ -79,7 +87,7 @@ namespace Avalonia.Native.Interop
             InsertItem(index, item);
         }
 
-        private IAvnMenuItem CreateNewAt(IAvaloniaNativeFactory factory, int index, NativeMenuItemBase item)
+        private __MicroComIAvnMenuItemProxy CreateNewAt(IAvaloniaNativeFactory factory, int index, NativeMenuItemBase item)
         {
             var result = CreateNew(factory, item);
 
@@ -93,9 +101,11 @@ namespace Avalonia.Native.Interop
             return result;
         }
 
-        private IAvnMenuItem CreateNew(IAvaloniaNativeFactory factory, NativeMenuItemBase item)
+        private __MicroComIAvnMenuItemProxy CreateNew(IAvaloniaNativeFactory factory, NativeMenuItemBase item)
         {
-            var nativeItem = item is NativeMenuItemSeperator ? factory.CreateMenuItemSeperator() : factory.CreateMenuItem();
+            var nativeItem = (__MicroComIAvnMenuItemProxy)(item is NativeMenuItemSeperator ?
+                factory.CreateMenuItemSeperator() :
+                factory.CreateMenuItem());
             nativeItem.ManagedMenuItem = item;
 
             return nativeItem;
@@ -108,16 +118,11 @@ namespace Avalonia.Native.Interop
 
             ((INotifyCollectionChanged)ManagedMenu.Items).CollectionChanged += OnMenuItemsChanged;
 
-            if (!string.IsNullOrWhiteSpace(title))
-            {
-                using (var buffer = new Utf8Buffer(title))
-                {
-                    Title = buffer.DangerousGetHandle();
-                }
-            }
+            if (!string.IsNullOrWhiteSpace(title)) 
+                SetTitle(title);
         }
 
-        internal void Deinitialise()
+        public void Deinitialise()
         {
             ((INotifyCollectionChanged)ManagedMenu.Items).CollectionChanged -= OnMenuItemsChanged;
 
@@ -137,7 +142,7 @@ namespace Avalonia.Native.Interop
 
             for (int i = 0; i < menu.Items.Count; i++)
             {
-                IAvnMenuItem nativeItem;
+                __MicroComIAvnMenuItemProxy nativeItem;
 
                 if (i >= _menuItems.Count)
                 {

src/Avalonia.Native/IAvnMenuItem.cs

@@ -7,37 +7,35 @@ using Avalonia.Platform.Interop;
 
 namespace Avalonia.Native.Interop
 {
-    public partial class IAvnMenuItem
+    partial interface IAvnMenuItem
     {
-        private IAvnMenu _subMenu;
+        
+    }
+}
+namespace Avalonia.Native.Interop.Impl
+{
+    partial class __MicroComIAvnMenuItemProxy
+    {
+        private __MicroComIAvnMenuProxy _subMenu;
         private CompositeDisposable _propertyDisposables = new CompositeDisposable();
         private IDisposable _currentActionDisposable;
 
         public NativeMenuItemBase ManagedMenuItem { get; set; }
 
-        private void UpdateTitle(string title)
-        {
-            using (var buffer = new Utf8Buffer(string.IsNullOrWhiteSpace(title) ? "" : title))
-            {
-                Title = buffer.DangerousGetHandle();
-            }
-        }
+        private void UpdateTitle(string title) => SetTitle(title ?? "");
 
-        private void UpdateIsChecked(bool isChecked)
-        {
-            IsChecked = isChecked;
-        }
+        private void UpdateIsChecked(bool isChecked) => SetIsChecked(isChecked);
 
         private void UpdateToggleType(NativeMenuItemToggleType toggleType)
         {
-            ToggleType = (AvnMenuItemToggleType)toggleType;
+            SetToggleType((AvnMenuItemToggleType)toggleType);
         }
 
         private unsafe void UpdateIcon (IBitmap icon)
         {
             if(icon is null)
             {
-                SetIcon(IntPtr.Zero, 0);
+                SetIcon(null, IntPtr.Zero);
             }
             else
             {
@@ -49,7 +47,7 @@ namespace Avalonia.Native.Interop
 
                     fixed(void* ptr = imageData)
                     {
-                        SetIcon(new IntPtr(ptr), imageData.Length);
+                        SetIcon(ptr, new IntPtr(imageData.Length));
                     }
                 }
             }
@@ -57,12 +55,9 @@ namespace Avalonia.Native.Interop
 
         private void UpdateGesture(Input.KeyGesture gesture)
         {
-            // todo ensure backend can cope with setting null gesture.
-            using (var buffer = new Utf8Buffer(gesture == null ? "" : OsxUnicodeKeys.ConvertOSXSpecialKeyCodes(gesture.Key)))
-            {
-                var modifiers = gesture == null ? AvnInputModifiers.AvnInputModifiersNone : (AvnInputModifiers)gesture.KeyModifiers;
-                SetGesture(buffer.DangerousGetHandle(), modifiers);
-            }
+            var text = gesture == null ? "" : OsxUnicodeKeys.ConvertOSXSpecialKeyCodes(gesture.Key);
+            var modifiers = gesture == null ? AvnInputModifiers.AvnInputModifiersNone : (AvnInputModifiers)gesture.KeyModifiers;
+            SetGesture(text, modifiers);
         }
 
         private void UpdateAction(NativeMenuItem item)
@@ -153,7 +148,7 @@ namespace Avalonia.Native.Interop
             {
                 if (_subMenu == null)
                 {
-                    _subMenu = IAvnMenu.Create(factory);
+                    _subMenu = __MicroComIAvnMenuProxy.Create(factory);
 
                     _subMenu.Initialise(exporter, item.Menu, item.Header);
 

src/Avalonia.Native/NativeControlHostImpl.cs

@@ -1,5 +1,6 @@
 using System;
 using Avalonia.Controls.Platform;
+using Avalonia.MicroCom;
 using Avalonia.Native.Interop;
 using Avalonia.Platform;
 using Avalonia.VisualTree;
@@ -28,8 +29,7 @@ namespace Avalonia.Native
 
             public DestroyableNSView(IAvnNativeControlHost impl)
             {
-                _impl = new IAvnNativeControlHost(impl.NativePointer);
-                _impl.AddRef();
+                _impl = MicroComRuntime.CloneReference(impl);
                 _nsView = _impl.CreateDefaultChild(IntPtr.Zero);
             }
 

src/Avalonia.Native/PlatformThreadingInterface.cs

@@ -4,11 +4,10 @@ using System.Threading;
 using Avalonia.Native.Interop;
 using Avalonia.Platform;
 using Avalonia.Threading;
-using SharpGen.Runtime;
 
 namespace Avalonia.Native
 {
-    public class PlatformThreadingInterface : IPlatformThreadingInterface
+    internal class PlatformThreadingInterface : IPlatformThreadingInterface
     {
         class TimerCallback : CallbackBase, IAvnActionCallback
         {
@@ -48,7 +47,7 @@ namespace Avalonia.Native
         {
             _native = native;
             using (var cb = new SignaledCallback(this))
-                _native.SignaledCallback = cb;
+                _native.SetSignaledCallback(cb);
         }
 
         public bool CurrentThreadIsLoopThread => _native.CurrentThreadIsLoopThread;

src/Avalonia.Native/ScreenImpl.cs

@@ -14,7 +14,7 @@ namespace Avalonia.Native
             _native = native;
         }
 
-        public int ScreenCount => _native.GetScreenCount();
+        public int ScreenCount => _native.ScreenCount;
 
         public IReadOnlyList<Screen> AllScreens
         {

src/Avalonia.Native/SystemDialogs.cs

@@ -8,7 +8,7 @@ using Avalonia.Native.Interop;
 
 namespace Avalonia.Native
 {
-    public class SystemDialogs : ISystemDialogImpl
+    internal class SystemDialogs : ISystemDialogImpl
     {
         IAvnSystemDialogs _native;
 
@@ -62,7 +62,7 @@ namespace Avalonia.Native
         }
     }
 
-    public class SystemDialogEvents : CallbackBase, IAvnSystemDialogEvents
+    internal unsafe class SystemDialogEvents : CallbackBase, IAvnSystemDialogEvents
     {
         private TaskCompletionSource<string[]> _tcs;
 
@@ -73,13 +73,13 @@ namespace Avalonia.Native
 
         public Task<string[]> Task => _tcs.Task;
 
-        public void OnCompleted(int numResults, IntPtr trFirstResultRef)
+        public void OnCompleted(int numResults, void* trFirstResultRef)
         {
             string[] results = new string[numResults];
 
             unsafe
             {
-                var ptr = (IntPtr*)trFirstResultRef.ToPointer();
+                var ptr = (IntPtr*)trFirstResultRef;
 
                 for (int i = 0; i < numResults; i++)
                 {

src/Avalonia.Native/WindowImpl.cs

@@ -10,7 +10,7 @@ using Avalonia.Platform.Interop;
 
 namespace Avalonia.Native
 {
-    public class WindowImpl : WindowBaseImpl, IWindowImpl, ITopLevelImplWithNativeMenuExporter
+    internal class WindowImpl : WindowBaseImpl, IWindowImpl, ITopLevelImplWithNativeMenuExporter
     {
         private readonly IAvaloniaNativeFactory _factory;
         private readonly AvaloniaNativePlatformOptions _opts;
@@ -69,12 +69,12 @@ namespace Avalonia.Native
 
         public void CanResize(bool value)
         {
-            _native.CanResize = value;
+            _native.SetCanResize(value);
         }
 
         public void SetSystemDecorations(Controls.SystemDecorations enabled)
         {
-            _native.Decorations = (Interop.SystemDecorations)enabled;
+            _native.SetDecorations((Interop.SystemDecorations)enabled);
         }
 
         public void SetTitleBarColor(Avalonia.Media.Color color)
@@ -82,24 +82,12 @@ namespace Avalonia.Native
             _native.SetTitleBarColor(new AvnColor { Alpha = color.A, Red = color.R, Green = color.G, Blue = color.B });
         }
 
-        public void SetTitle(string title)
-        {
-            using (var buffer = new Utf8Buffer(title))
-            {
-                _native.SetTitle(buffer.DangerousGetHandle());
-            }
-        }
+        public void SetTitle(string title) => _native.SetTitle(title);
 
         public WindowState WindowState
         {
-            get
-            {
-                return (WindowState)_native.GetWindowState();
-            }
-            set
-            {
-                _native.SetWindowState((AvnWindowState)value);
-            }
+            get => (WindowState)_native.WindowState;
+            set => _native.SetWindowState((AvnWindowState)value);
         }
 
         public Action<WindowState> WindowStateChanged { get; set; }        
@@ -146,7 +134,7 @@ namespace Avalonia.Native
             }
             else
             {
-                ExtendedMargins = _isExtended ? new Thickness(0, _extendTitleBarHeight == -1 ? _native.GetExtendTitleBarHeight() : _extendTitleBarHeight, 0, 0) : new Thickness();
+                ExtendedMargins = _isExtended ? new Thickness(0, _extendTitleBarHeight == -1 ? _native.ExtendTitleBarHeight : _extendTitleBarHeight, 0, 0) : new Thickness();
             }
 
             ExtendClientAreaToDecorationsChanged?.Invoke(_isExtended);
@@ -174,7 +162,7 @@ namespace Avalonia.Native
             _extendTitleBarHeight = titleBarHeight;
             _native.SetExtendTitleBarHeight(titleBarHeight);
 
-            ExtendedMargins = _isExtended ? new Thickness(0, titleBarHeight == -1 ? _native.GetExtendTitleBarHeight() : titleBarHeight, 0, 0) : new Thickness();
+            ExtendedMargins = _isExtended ? new Thickness(0, titleBarHeight == -1 ? _native.ExtendTitleBarHeight : titleBarHeight, 0, 0) : new Thickness();
 
             ExtendClientAreaToDecorationsChanged?.Invoke(_isExtended);
         }

src/Avalonia.Native/WindowImplBase.cs

@@ -15,7 +15,7 @@ using Avalonia.Threading;
 
 namespace Avalonia.Native
 {
-    public class MacOSTopLevelWindowHandle : IPlatformHandle, IMacOSTopLevelPlatformHandle
+    internal class MacOSTopLevelWindowHandle : IPlatformHandle, IMacOSTopLevelPlatformHandle
     {
         IAvnWindowBase _native;
 
@@ -43,7 +43,7 @@ namespace Avalonia.Native
         }
     }
 
-    public abstract class WindowBaseImpl : IWindowBaseImpl,
+    internal abstract class WindowBaseImpl : IWindowBaseImpl,
         IFramebufferPlatformSurface, ITopLevelImplWithNativeControlHost
     {
         protected IInputRoot _inputRoot;
@@ -96,7 +96,7 @@ namespace Avalonia.Native
             {
                 if (_native != null)
                 {
-                    var s = _native.GetClientSize();
+                    var s = _native.ClientSize;
                     return new Size(s.Width, s.Height);
                 }
 
@@ -137,7 +137,7 @@ namespace Avalonia.Native
         public IMouseDevice MouseDevice => _mouse;
         public abstract IPopupImpl CreatePopup();
 
-        protected class WindowBaseEvents : CallbackBase, IAvnWindowBaseEvents
+        protected unsafe class WindowBaseEvents : CallbackBase, IAvnWindowBaseEvents
         {
             private readonly WindowBaseImpl _parent;
 
@@ -172,11 +172,11 @@ namespace Avalonia.Native
                 _parent.Paint?.Invoke(new Rect(0, 0, s.Width, s.Height));
             }
 
-            void IAvnWindowBaseEvents.Resized(AvnSize size)
+            void IAvnWindowBaseEvents.Resized(AvnSize* size)
             {
                 if (_parent._native != null)
                 {
-                    var s = new Size(size.Width, size.Height);
+                    var s = new Size(size->Width, size->Height);
                     _parent._savedLogicalSize = s;
                     _parent.Resized?.Invoke(s);
                 }
@@ -359,7 +359,7 @@ namespace Avalonia.Native
 
         public PixelPoint Position
         {
-            get => _native.GetPosition().ToAvaloniaPixelPoint();
+            get => _native.Position.ToAvaloniaPixelPoint();
             set => _native.SetPosition(value.ToAvnPoint());
         }
 
@@ -391,7 +391,7 @@ namespace Avalonia.Native
             _native.SetTopMost(value);
         }
 
-        public double RenderScaling => _native?.GetScaling() ?? 1;
+        public double RenderScaling => _native?.Scaling ?? 1;
 
         public double DesktopScaling => 1;
 
@@ -407,7 +407,7 @@ namespace Avalonia.Native
             
             var newCursor = cursor as AvaloniaNativeCursor;
             newCursor = newCursor ?? (_cursorFactory.GetCursor(StandardCursorType.Arrow) as AvaloniaNativeCursor);
-            _native.Cursor = newCursor.Cursor;
+            _native.SetCursor(newCursor.Cursor);
         }
 
         public Action<PixelPoint> PositionChanged { get; set; }

src/Avalonia.Native/avn.idl

@@ -1,4 +1,4 @@
-@clr-namespace Avalonia.Native.MicroCom
+@clr-namespace Avalonia.Native.Interop
 @clr-access internal
 @cpp-preamble @@
 #include "com.h"
@@ -244,13 +244,13 @@ interface IAvnWindowBase : IUnknown
      HRESULT SetCursor(IAvnCursor* cursor);
      HRESULT CreateGlRenderTarget(IAvnGlSurfaceRenderTarget** ret);
      HRESULT SetMainMenu(IAvnMenu* menu);
-     HRESULT ObtainNSWindowHandle(void** retOut);
-     HRESULT ObtainNSWindowHandleRetained(void** retOut);
-     HRESULT ObtainNSViewHandle(void** retOut);
-     HRESULT ObtainNSViewHandleRetained(void** retOut);
+     HRESULT ObtainNSWindowHandle([intptr]void** retOut);
+     HRESULT ObtainNSWindowHandleRetained([intptr]void** retOut);
+     HRESULT ObtainNSViewHandle([intptr]void** retOut);
+     HRESULT ObtainNSViewHandleRetained([intptr]void** retOut);
      HRESULT CreateNativeControlHost(IAvnNativeControlHost** retOut);
      HRESULT BeginDragAndDropOperation(AvnDragDropEffects effects, AvnPoint point,
-                                              IAvnClipboard* clipboard, IAvnDndResultCallback* cb, void* sourceHandle);
+                                              IAvnClipboard* clipboard, IAvnDndResultCallback* cb, [intptr]void* sourceHandle);
      HRESULT SetBlurEnabled(bool enable);
 }
 
@@ -267,7 +267,7 @@ interface IAvnWindow : IAvnWindowBase
      HRESULT SetParent(IAvnWindow* parent);
      HRESULT SetCanResize(bool value);
      HRESULT SetDecorations(SystemDecorations value);
-     HRESULT SetTitle(void* utf8Title);
+     HRESULT SetTitle(char* utf8Title);
      HRESULT SetTitleBarColor(AvnColor color);
      HRESULT SetWindowState(AvnWindowState state);
      HRESULT GetWindowState(AvnWindowState*ret);
@@ -299,7 +299,7 @@ interface IAvnWindowBaseEvents : IUnknown
      void LostFocus();
      AvnDragDropEffects DragEvent(AvnDragEventType type, AvnPoint position,
                                          AvnInputModifiers modifiers, AvnDragDropEffects effects,
-                                         IAvnClipboard* clipboard, void* dataObjectHandle);
+                                         IAvnClipboard* clipboard, [intptr]void* dataObjectHandle);
 }
 
 [uuid(1ae178ee-1fcc-447f-b6dd-b7bb727f934c)]
@@ -321,7 +321,7 @@ interface IAvnWindowEvents : IAvnWindowBaseEvents
 interface IAvnMacOptions : IUnknown
 {
      HRESULT SetShowInDock(int show);
-     HRESULT SetApplicationTitle(void* utf8string);
+     HRESULT SetApplicationTitle(char* utf8string);
 }
 
 [uuid(04c1b049-1f43-418a-9159-cae627ec1367)]
@@ -395,7 +395,7 @@ interface IAvnScreens : IUnknown
 interface IAvnClipboard : IUnknown
 {
      HRESULT GetText(char* type, IAvnString**ppv);
-     HRESULT SetText(char* type, void* utf8Text);
+     HRESULT SetText(char* type, char* utf8Text);
      HRESULT ObtainFormats(IAvnStringArray**ppv);
      HRESULT GetStrings(char* type, IAvnStringArray**ppv);
      HRESULT SetBytes(char* type, void* utf8Text, int len);
@@ -420,8 +420,8 @@ interface IAvnGlDisplay : IUnknown
 {
      HRESULT CreateContext(IAvnGlContext* share, IAvnGlContext**ppv);
      void LegacyClearCurrentContext();
-     HRESULT WrapContext(void* native, IAvnGlContext**ppv);
-     void* GetProcAddress(char* proc);
+     HRESULT WrapContext([intptr]void* native, IAvnGlContext**ppv);
+     [intptr]void* GetProcAddress(char* proc);
 }
 
 [uuid(78c5711e-2a98-40d2-bac4-0cc9a49dc4f3)]
@@ -431,7 +431,7 @@ interface IAvnGlContext : IUnknown
      HRESULT LegacyMakeCurrent();
      int GetSampleCount();
      int GetStencilSize();
-     void* GetNativeHandle();
+     [intptr]void* GetNativeHandle();
 }
 
 [uuid(931062d2-5bc8-4062-8588-83dd8deb99c2)]
@@ -452,7 +452,7 @@ interface IAvnMenu : IUnknown
 {
      HRESULT InsertItem(int index, IAvnMenuItem* item);
      HRESULT RemoveItem(IAvnMenuItem* item);
-     HRESULT SetTitle(void* utf8String);
+     HRESULT SetTitle(char* utf8String);
      HRESULT Clear();
 }
 
@@ -466,8 +466,8 @@ interface IAvnPredicateCallback : IUnknown
 interface IAvnMenuItem : IUnknown
 {
      HRESULT SetSubMenu(IAvnMenu* menu);
-     HRESULT SetTitle(void* utf8String);
-     HRESULT SetGesture(void* utf8String, AvnInputModifiers modifiers);
+     HRESULT SetTitle(char* utf8String);
+     HRESULT SetGesture(char* utf8String, AvnInputModifiers modifiers);
      HRESULT SetAction(IAvnPredicateCallback* predicate, IAvnActionCallback* callback);
      HRESULT SetIsChecked(bool isChecked);
      HRESULT SetToggleType(AvnMenuItemToggleType toggleType);
@@ -499,22 +499,22 @@ interface IAvnDndResultCallback : IUnknown
 [uuid(f07c608e-52e9-422d-836e-c70f6e9b80f5)]
 interface IAvnGCHandleDeallocatorCallback : IUnknown
 {
-     void FreeGCHandle(void* handle);
+     void FreeGCHandle([intptr]void* handle);
 }
 
 [uuid(91c7f677-f26b-4ff3-93cc-cf15aa966ffa)]
 interface IAvnNativeControlHost : IUnknown
 {
-     HRESULT CreateDefaultChild(void* parent, void** retOut);
+     HRESULT CreateDefaultChild([intptr]void* parent, [intptr]void** retOut);
      IAvnNativeControlHostTopLevelAttachment* CreateAttachment();
-     void DestroyDefaultChild(void* child);
+     void DestroyDefaultChild([intptr]void* child);
 }
 
 [uuid(14a9e164-1aae-4271-bb78-7b5230999b52)]
 interface IAvnNativeControlHostTopLevelAttachment : IUnknown
 {
-     void* GetParentHandle();
-     HRESULT InitializeWithChildHandle(void* child);
+     [intptr]void* GetParentHandle();
+     HRESULT InitializeWithChildHandle([intptr]void* child);
      HRESULT AttachTo(IAvnNativeControlHost* host);
      void ShowInBounds(float x, float y, float width, float height);
      void HideWithSize(float width, float height);

src/tools/MicroComGenerator/Ast.cs

@@ -1,4 +1,6 @@
+using System;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace MicroComGenerator.Ast
 {
@@ -14,13 +16,38 @@ namespace MicroComGenerator.Ast
         }
 
         public override string ToString() => $"{Name} = {Value}";
+        public AstAttributeNode Clone() => new AstAttributeNode(Name, Value);
     }
 
-    public class AstEnumNode : List<AstEnumMemberNode>
+    public class AstAttributes : List<AstAttributeNode>
     {
-        public List<AstAttributeNode> Attributes { get; set; } = new List<AstAttributeNode>();
+        public bool HasAttribute(string a) => this.Any(x => x.Name == a);
+        
+        public AstAttributes Clone()
+        {
+            var rv= new AstAttributes();
+            rv.AddRange(this.Select(x => x.Clone()));
+            return rv;
+        }
+    }
+
+    public interface IAstNodeWithAttributes
+    {
+        public AstAttributes Attributes { get; set; }
+    }
+    
+    public class AstEnumNode : List<AstEnumMemberNode>, IAstNodeWithAttributes
+    {
+        public AstAttributes Attributes { get; set; } = new AstAttributes();
         public string Name { get; set; }
-        public override string ToString() => Name;
+        public override string ToString() => "Enum " + Name;
+
+        public AstEnumNode Clone()
+        {
+            var rv = new AstEnumNode { Name = Name, Attributes = Attributes.Clone() };
+            rv.AddRange(this.Select(x => x.Clone()));
+            return rv;
+        }
     }
 
     public class AstEnumMemberNode
@@ -34,14 +61,22 @@ namespace MicroComGenerator.Ast
             Value = value;
         }
         
-        public override string ToString() => $"{Name} = {Value}";
+        public override string ToString() => $"Enum member {Name} = {Value}";
+        public AstEnumMemberNode Clone() => new AstEnumMemberNode(Name, Value);
     }
 
-    public class AstStructNode : List<AstStructMemberNode>
+    public class AstStructNode : List<AstStructMemberNode>, IAstNodeWithAttributes
     {
-        public List<AstAttributeNode> Attributes { get; set; } = new List<AstAttributeNode>();
+        public AstAttributes Attributes { get; set; } = new AstAttributes();
         public string Name { get; set; }
-        public override string ToString() => Name;
+        public override string ToString() => "Struct " + Name;
+        
+        public AstStructNode Clone()
+        {
+            var rv = new AstStructNode { Name = Name, Attributes = Attributes.Clone() };
+            rv.AddRange(this.Select(x => x.Clone()));
+            return rv;
+        }
     }
 
     public class AstTypeNode
@@ -49,20 +84,24 @@ namespace MicroComGenerator.Ast
         public string Name { get; set; }
         public int PointerLevel { get; set; }
 
-        public override string ToString() => Name + new string('*', PointerLevel);
+        public string Format() => Name + new string('*', PointerLevel);
+        public override string ToString() => Format();
+        public AstTypeNode Clone() => new AstTypeNode() { Name = Name, PointerLevel = PointerLevel };
     }
 
-    public class AstStructMemberNode
+    public class AstStructMemberNode : IAstNodeWithAttributes
     {
         public string Name { get; set; }
         public AstTypeNode Type { get; set; }
 
-        public override string ToString() => $"{Type} {Name}";
+        public override string ToString() => $"Struct member {Type.Format()} {Name}";
+        public AstStructMemberNode Clone() => new AstStructMemberNode() { Name = Name, Type = Type.Clone() };
+        public AstAttributes Attributes { get; set; } = new AstAttributes();
     }
 
-    public class AstInterfaceNode : List<AstInterfaceMemberNode>
+    public class AstInterfaceNode : List<AstInterfaceMemberNode>, IAstNodeWithAttributes
     {
-        public List<AstAttributeNode> Attributes { get; set; } = new List<AstAttributeNode>();
+        public AstAttributes Attributes { get; set; } = new AstAttributes();
         public string Name { get; set; }
         public string Inherits { get; set; }
         
@@ -70,33 +109,127 @@ namespace MicroComGenerator.Ast
         {
             if (Inherits == null)
                 return Name;
-            return $"{Name} : {Inherits}";
+            return $"Interface {Name} : {Inherits}";
+        }
+        public AstInterfaceNode Clone()
+        {
+            var rv = new AstInterfaceNode { Name = Name, Inherits = Inherits, Attributes = Attributes.Clone() };
+            rv.AddRange(this.Select(x => x.Clone()));
+            return rv;
         }
     }
 
-    public class AstInterfaceMemberNode : List<AstInterfaceMemberArgumentNode>
+    public class AstInterfaceMemberNode : List<AstInterfaceMemberArgumentNode>, IAstNodeWithAttributes
     {
         public string Name { get; set; }
         public AstTypeNode ReturnType { get; set; }
-        public List<AstAttributeNode> Attributes { get; set; } = new List<AstAttributeNode>();
+        public AstAttributes Attributes { get; set; } = new AstAttributes();
 
-        public override string ToString() => $"{ReturnType} {Name} ({string.Join(", ", this)})";
+        public AstInterfaceMemberNode Clone()
+        {
+            var rv = new AstInterfaceMemberNode()
+            {
+                Name = Name, Attributes = Attributes.Clone(), ReturnType = ReturnType
+            };
+            rv.AddRange(this.Select(x => x.Clone()));
+            return rv;
+        }
+
+        public override string ToString() =>
+            $"Interface member {ReturnType.Format()} {Name} ({string.Join(", ", this.Select(x => x.Format()))})";
     }
 
-    public class AstInterfaceMemberArgumentNode
+    public class AstInterfaceMemberArgumentNode : IAstNodeWithAttributes
     {
         public string Name { get; set; }
         public AstTypeNode Type { get; set; }
-        public List<AstAttributeNode> Attributes { get; set; } = new List<AstAttributeNode>();
+        public AstAttributes Attributes { get; set; } = new AstAttributes();
+
+        
+        public  string Format() => $"{Type.Format()} {Name}";
+        public override string ToString() => "Argument " + Format();
 
-        public override string ToString() => $"{Type} {Name}";
+        public AstInterfaceMemberArgumentNode Clone() => new AstInterfaceMemberArgumentNode
+        {
+            Name = Name, Type = Type.Clone(), Attributes = Attributes.Clone()
+        };
     }
 
-    public class AstIdlNode
+    public static class AstExtensions
     {
-        public List<AstAttributeNode> Attributes { get; set; } = new List<AstAttributeNode>();
+        public static bool HasAttribute(this IAstNodeWithAttributes node, string s) => node.Attributes.HasAttribute(s);
+
+        public static string GetAttribute(this IAstNodeWithAttributes node, string s)
+        {
+            var value = node.Attributes.FirstOrDefault(a => a.Name == s)?.Value;
+            if (value == null)
+                throw new CodeGenException("Expected attribute " + s + " for node " + node);
+            return value;
+        }
+        
+        public static string GetAttributeOrDefault(this IAstNodeWithAttributes node, string s) 
+            => node.Attributes.FirstOrDefault(a => a.Name == s)?.Value;
+    }
+
+    class AstVisitor
+    {
+        protected virtual void VisitType(AstTypeNode type)
+        {
+        }
+        
+        protected virtual void VisitArgument(AstInterfaceMemberArgumentNode argument)
+        {
+            VisitType(argument.Type);
+        }
+
+        protected virtual void VisitInterfaceMember(AstInterfaceMemberNode member)
+        {
+            foreach(var a in member)
+                VisitArgument(a);
+            VisitType(member.ReturnType);
+        }
+
+        protected virtual void VisitInterface(AstInterfaceNode iface)
+        {
+            foreach(var m in iface)
+                VisitInterfaceMember(m);
+        }
+
+        protected virtual void VisitStructMember(AstStructMemberNode member)
+        {
+            VisitType(member.Type);
+        }
+
+        protected virtual void VisitStruct(AstStructNode node)
+        {
+            foreach(var m in node)
+                VisitStructMember(m);
+        }
+        
+        public virtual void VisitAst(AstIdlNode ast)
+        {
+            foreach(var iface in ast.Interfaces)
+                VisitInterface(iface);
+            foreach (var s in ast.Structs)
+                VisitStruct(s);
+        }
+        
+        
+    }
+
+    public class AstIdlNode : IAstNodeWithAttributes
+    {
+        public AstAttributes Attributes { get; set; } = new AstAttributes();
         public List<AstEnumNode> Enums { get; set; } = new List<AstEnumNode>();
         public List<AstStructNode> Structs { get; set; } = new List<AstStructNode>();
         public List<AstInterfaceNode> Interfaces { get; set; } = new List<AstInterfaceNode>();
+
+        public AstIdlNode Clone() => new AstIdlNode()
+        {
+            Attributes = Attributes.Clone(),
+            Enums = Enums.Select(x => x.Clone()).ToList(),
+            Structs = Structs.Select(x => x.Clone()).ToList(),
+            Interfaces = Interfaces.Select(x => x.Clone()).ToList()
+        };
     }
 }

src/tools/MicroComGenerator/AstParser.cs

@@ -27,9 +27,9 @@ namespace MicroComGenerator
             return idl;
         }
 
-        static List<AstAttributeNode> ParseGlobalAttributes(ref TokenParser parser)
+        static AstAttributes ParseGlobalAttributes(ref TokenParser parser)
         {
-            var rv = new List<AstAttributeNode>();
+            var rv = new AstAttributes();
             while (!parser.Eof)
             {
                 parser.SkipWhitespace();
@@ -61,9 +61,9 @@ namespace MicroComGenerator
             return rv;
         }
 
-        static List<AstAttributeNode> ParseLocalAttributes(ref TokenParser parser)
+        static AstAttributes ParseLocalAttributes(ref TokenParser parser)
         {
-            var rv = new List<AstAttributeNode>();
+            var rv = new AstAttributes();
             if (parser.TryConsume("["))
             {
                 while (!parser.TryConsume("]") && !parser.Eof)
@@ -107,7 +107,7 @@ namespace MicroComGenerator
                 throw new ParseException("{ expected", ref parser);
         }
 
-        static AstEnumNode ParseEnum(List<AstAttributeNode> attrs, ref TokenParser parser)
+        static AstEnumNode ParseEnum(AstAttributes attrs, ref TokenParser parser)
         {
             var name = parser.ParseIdentifier();
             EnsureOpenBracket(ref parser);
@@ -149,13 +149,14 @@ namespace MicroComGenerator
             return t;
         }
 
-        static AstStructNode ParseStruct(List<AstAttributeNode> attrs, ref TokenParser parser)
+        static AstStructNode ParseStruct(AstAttributes attrs, ref TokenParser parser)
         {
             var name = parser.ParseIdentifier();
             EnsureOpenBracket(ref parser);
             var rv = new AstStructNode { Name = name, Attributes = attrs };
             while (!parser.TryConsume('}') && !parser.Eof)
             {
+                var memberAttrs = ParseLocalAttributes(ref parser);
                 var t = ParseType(ref parser);
                 bool parsedAtLeastOneMember = false;
                 while (!parser.TryConsume(';'))
@@ -165,7 +166,7 @@ namespace MicroComGenerator
 
                     var ident = parser.ParseIdentifier();
                     parsedAtLeastOneMember = true;
-                    rv.Add(new AstStructMemberNode { Name = ident, Type = t });
+                    rv.Add(new AstStructMemberNode { Name = ident, Type = t, Attributes = memberAttrs});
                 }
 
                 if (!parsedAtLeastOneMember)
@@ -175,7 +176,7 @@ namespace MicroComGenerator
             return rv;
         }
 
-        static AstInterfaceNode ParseInterface(List<AstAttributeNode> interfaceAttrs, ref TokenParser parser)
+        static AstInterfaceNode ParseInterface(AstAttributes interfaceAttrs, ref TokenParser parser)
         {
             var interfaceName = parser.ParseIdentifier();
             string inheritsFrom = null; 

src/tools/MicroComGenerator/CSharpGen.InterfaceGen.cs

@@ -167,12 +167,12 @@ namespace MicroComGenerator
 
             if (type.PointerLevel == 2)
             {
-                if (type.Name.StartsWith("I"))
+                if (IsInterface(type))
                     return new InterfaceReturnArg { Name = name, InterfaceType = type.Name, NativeType = "void**" };
             }
             else if (type.PointerLevel == 1)
             {
-                if (type.Name.StartsWith("I"))
+                if (IsInterface(type))
                     return new InterfaceArg { Name = name, InterfaceType = type.Name, NativeType = "void*" };
                 if (type.Name == "char")
                     return new StringArg { Name = name, NativeType = "byte*" };
@@ -197,8 +197,7 @@ namespace MicroComGenerator
                                                && args.Count > 0
                                                && (args.Last().Name == "ppv" || args.Last().Name == "retOut" || args.Last().Name == "ret")
                                                && ((member.Last().Type.PointerLevel > 0
-                                                    && !member.Last().Type.Name
-                                                        .StartsWith("I"))
+                                                    && !IsInterface(member.Last().Type))
                                                    || member.Last().Type.PointerLevel == 2);
 
             bool isVoidReturn = member.ReturnType.Name == "void" && member.ReturnType.PointerLevel == 0;
@@ -390,21 +389,20 @@ namespace MicroComGenerator
         void GenerateInterface(ref NamespaceDeclarationSyntax ns, ref NamespaceDeclarationSyntax implNs,
             AstInterfaceNode iface)
         {
-            var guidString = iface.Attributes.FirstOrDefault(x => x.Name == "uuid")?.Value;
-            if (guidString == null)
-                throw new CodeGenException("Missing GUID for " + iface.Name);
+            var guidString = iface.GetAttribute("uuid");
             var inheritsUnknown = iface.Inherits == null || iface.Inherits == "IUnknown";
 
             var ifaceDec = InterfaceDeclaration(iface.Name)
                 .WithBaseType(inheritsUnknown ? "Avalonia.MicroCom.IUnknown" : iface.Inherits)
-                .AddModifiers(Token(_visibility), Token(SyntaxKind.UnsafeKeyword));
+                .AddModifiers(Token(_visibility), Token(SyntaxKind.UnsafeKeyword), Token(SyntaxKind.PartialKeyword));
 
             var proxyClassName = "__MicroCom" + iface.Name + "Proxy";
             var proxy = ClassDeclaration(proxyClassName)
-                .AddModifiers(Token(SyntaxKind.UnsafeKeyword), Token(_visibility))
+                .AddModifiers(Token(SyntaxKind.UnsafeKeyword), Token(_visibility), Token(SyntaxKind.PartialKeyword))
                 .WithBaseType(inheritsUnknown ?
                     "Avalonia.MicroCom.MicroComProxyBase" :
-                    ("__MicroCom" + iface.Inherits + "Proxy"));
+                    ("__MicroCom" + iface.Inherits + "Proxy"))
+                .AddBaseListTypes(SimpleBaseType(ParseTypeName(iface.Name)));
 
 
             // Generate vtable

src/tools/MicroComGenerator/CSharpGen.Utils.cs

@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using MicroComGenerator.Ast;
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp;
 using Microsoft.CodeAnalysis.CSharp.Formatting;
@@ -23,13 +24,16 @@ namespace MicroComGenerator
         string Format(CompilationUnitSyntax unit)
         {
             var cw = new AdhocWorkspace();
-            return Microsoft.CodeAnalysis.Formatting.Formatter.Format(unit.NormalizeWhitespace(), cw, cw.Options
-                .WithChangedOption(CSharpFormattingOptions.NewLineForMembersInObjectInit, true)
-                .WithChangedOption(CSharpFormattingOptions.NewLinesForBracesInObjectCollectionArrayInitializers, true)
-                .WithChangedOption(CSharpFormattingOptions.NewLineForMembersInAnonymousTypes, true)
-                .WithChangedOption(CSharpFormattingOptions.NewLinesForBracesInMethods, true)
+            return
+                "#pragma warning disable 108\n" +
+                Microsoft.CodeAnalysis.Formatting.Formatter.Format(unit.NormalizeWhitespace(), cw, cw.Options
+                    .WithChangedOption(CSharpFormattingOptions.NewLineForMembersInObjectInit, true)
+                    .WithChangedOption(CSharpFormattingOptions.NewLinesForBracesInObjectCollectionArrayInitializers,
+                        true)
+                    .WithChangedOption(CSharpFormattingOptions.NewLineForMembersInAnonymousTypes, true)
+                    .WithChangedOption(CSharpFormattingOptions.NewLinesForBracesInMethods, true)
 
-            ).ToFullString();
+                ).ToFullString();
         }
         
         
@@ -93,5 +97,14 @@ namespace MicroComGenerator
             return decl.ReplaceNodes(replace.Keys, (m, m2) => replace[m]);
         }
 
+        bool IsInterface(string name)
+        {
+            if (name == "IUnknown")
+                return true;
+            return _idl.Interfaces.Any(i => i.Name == name);
+        }
+
+        private bool IsInterface(AstTypeNode type) => IsInterface(type.Name);
+    
     }
 }

src/tools/MicroComGenerator/CSharpGen.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Runtime.CompilerServices;
@@ -20,14 +21,12 @@ namespace MicroComGenerator
 
         public CSharpGen(AstIdlNode idl)
         {
-            _idl = idl;
+            _idl = idl.Clone();
+            new AstRewriter().VisitAst(_idl);
             _extraUsings = _idl.Attributes.Where(u => u.Name == "clr-using").Select(u => u.Value).ToList();
-            _namespace = _idl.Attributes.FirstOrDefault(x => x.Name == "clr-namespace")?.Value;
-            if (_namespace == null)
-                throw new CodeGenException("Missing clr-namespace attribute");
-            var visibilityString = _idl.Attributes.FirstOrDefault(x => x.Name == "clr-access")?.Value;
-            if (visibilityString == null)
-                throw new CodeGenException("Missing clr-visibility attribute");
+            _namespace = _idl.GetAttribute("clr-namespace");
+            var visibilityString = _idl.GetAttribute("clr-access");
+
             if (visibilityString == "internal")
                 _visibility = SyntaxKind.InternalKeyword;
             else if (visibilityString == "public")
@@ -36,6 +35,45 @@ namespace MicroComGenerator
                 throw new CodeGenException("Invalid clr-access attribute");
         }
 
+        class AstRewriter : AstVisitor
+        {
+            void ConvertIntPtr(AstTypeNode type)
+            {
+                if (type.Name == "void" && type.PointerLevel > 0)
+                {
+                    type.Name = "IntPtr";
+                    type.PointerLevel--;
+                }
+            }
+            
+            protected override void VisitStructMember(AstStructMemberNode member)
+            {
+                if (member.HasAttribute("intptr"))
+                    ConvertIntPtr(member.Type);
+                base.VisitStructMember(member);
+            }
+
+            protected override void VisitArgument(AstInterfaceMemberArgumentNode argument)
+            {
+                if (argument.HasAttribute("intptr"))
+                {
+                    if(argument.Name == "retOut")
+                        Console.WriteLine();
+                    ConvertIntPtr(argument.Type);
+                }
+
+                base.VisitArgument(argument);
+            }
+
+            protected override void VisitInterfaceMember(AstInterfaceMemberNode member)
+            {
+                if (member.HasAttribute("intptr"))
+                    ConvertIntPtr(member.ReturnType);
+                base.VisitInterfaceMember(member);
+            }
+        }
+        
+
         public string Generate()
         {
             var ns = NamespaceDeclaration(ParseName(_namespace));

src/tools/MicroComGenerator/CppGen.cs

@@ -20,7 +20,7 @@ namespace MicroComGenerator
         public static string GenerateCpp(AstIdlNode idl)
         {
             var sb = new StringBuilder();
-            var preamble = idl.Attributes.FirstOrDefault(x => x.Name == "cpp-preamble")?.Value;
+            var preamble = idl.GetAttributeOrDefault("cpp-preamble");
             if (preamble != null)
                 sb.AppendLine(preamble);
 
@@ -60,10 +60,7 @@ namespace MicroComGenerator
 
             foreach (var i in idl.Interfaces)
             {
-                var guidString = i.Attributes.FirstOrDefault(x => x.Name == "uuid")?.Value;
-                if (guidString == null)
-                    throw new CodeGenException("Missing uuid for " + i.Name);
-
+                var guidString = i.GetAttribute("uuid");
                 var guid = Guid.Parse(guidString).ToString().Replace("-", "");
 
 

src/tools/MicroComGenerator/MicroComGenerator.csproj

@@ -1,5 +1,4 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
     <PropertyGroup>
         <OutputType>Exe</OutputType>
         <TargetFramework>netcoreapp3.1</TargetFramework>
@@ -8,5 +7,4 @@
     <PackageReference Include="CommandLineParser" Version="2.8.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.7.0" />
   </ItemGroup>
-
 </Project>