diff --git a/native/Avalonia.Native/src/OSX/AvnWindow.mm b/native/Avalonia.Native/src/OSX/AvnWindow.mm
index 03f18a9c71..4021738917 100644
--- a/native/Avalonia.Native/src/OSX/AvnWindow.mm
+++ b/native/Avalonia.Native/src/OSX/AvnWindow.mm
@@ -30,6 +30,7 @@
     ComPtr<WindowBaseImpl> _parent;
     bool _closed;
     bool _isEnabled;
+    bool _canBecomeKeyWindow;
     bool _isExtended;
     AvnMenu* _menu;
 }
@@ -215,29 +216,38 @@
 
 -(BOOL)canBecomeKeyWindow
 {
-    // If the window has a child window being shown as a dialog then don't allow it to become the key window.
-    for(NSWindow* uch in [self childWindows])
+    if(_canBecomeKeyWindow)
     {
-        if (![uch conformsToProtocol:@protocol(AvnWindowProtocol)])
+        // If the window has a child window being shown as a dialog then don't allow it to become the key window.
+        for(NSWindow* uch in [self childWindows])
         {
-            continue;
-        }
+            if (![uch conformsToProtocol:@protocol(AvnWindowProtocol)])
+            {
+                continue;
+            }
 
-        id <AvnWindowProtocol> ch = (id <AvnWindowProtocol>) uch;
+            id <AvnWindowProtocol> ch = (id <AvnWindowProtocol>) uch;
 
-        return !ch.isDialog;
-    }
+            if(ch.isDialog)
+                return false;
+        }
 
-    return true;
+        return true;
+    }
+    
+    return false;
 }
 
+#ifndef IS_NSPANEL
 -(BOOL)canBecomeMainWindow
 {
-#ifdef IS_NSPANEL
-    return false;
-#else
     return true;
+}
 #endif
+
+-(void)setCanBecomeKeyWindow:(bool)value
+{
+    _canBecomeKeyWindow = value;
 }
 
 -(bool)shouldTryToHandleEvents
diff --git a/native/Avalonia.Native/src/OSX/PopupImpl.mm b/native/Avalonia.Native/src/OSX/PopupImpl.mm
index 0825f083d9..7ed780359d 100644
--- a/native/Avalonia.Native/src/OSX/PopupImpl.mm
+++ b/native/Avalonia.Native/src/OSX/PopupImpl.mm
@@ -25,13 +25,17 @@ private:
     PopupImpl(IAvnWindowEvents* events, IAvnGlContext* gl) : WindowBaseImpl(events, gl)
     {
         WindowEvents = events;
-        [Window setLevel:NSPopUpMenuWindowLevel];
     }
 protected:
     virtual NSWindowStyleMask GetStyle() override
     {
         return NSWindowStyleMaskBorderless;
     }
+    
+    virtual void OnInitialiseNSWindow () override
+    {
+        [Window setLevel:NSPopUpMenuWindowLevel];
+    }
 
 public:
     virtual bool ShouldTakeFocusOnShow() override
@@ -53,4 +57,4 @@ extern IAvnPopup* CreateAvnPopup(IAvnWindowEvents*events, IAvnGlContext* gl)
         IAvnPopup* ptr = dynamic_cast<IAvnPopup*>(new PopupImpl(events, gl));
         return ptr;
     }
-}
\ No newline at end of file
+}
diff --git a/native/Avalonia.Native/src/OSX/WindowBaseImpl.h b/native/Avalonia.Native/src/OSX/WindowBaseImpl.h
index e3e646ff2a..83850e780c 100644
--- a/native/Avalonia.Native/src/OSX/WindowBaseImpl.h
+++ b/native/Avalonia.Native/src/OSX/WindowBaseImpl.h
@@ -16,8 +16,6 @@
 class WindowBaseImpl : public virtual ComObject,
                        public virtual IAvnWindowBase,
                        public INSWindowHolder {
-private:
-    NSCursor *cursor;
 
 public:
     FORWARD_IUNKNOWN()
@@ -28,23 +26,6 @@ BEGIN_INTERFACE_MAP()
 
     virtual ~WindowBaseImpl();
 
-    AutoFitContentView *StandardContainer;
-    AvnView *View;
-    NSWindow * Window;
-    ComPtr<IAvnWindowBaseEvents> BaseEvents;
-    ComPtr<IAvnGlContext> _glContext;
-    NSObject <IRenderTarget> *renderTarget;
-    AvnPoint lastPositionSet;
-    bool hasPosition;
-    NSSize lastSize;
-    NSSize lastMinSize;
-    NSSize lastMaxSize;
-    AvnMenu* lastMenu;
-    NSString *_lastTitle;
-
-    bool _shown;
-    bool _inResize;
-
     WindowBaseImpl(IAvnWindowBaseEvents *events, IAvnGlContext *gl);
 
     virtual HRESULT ObtainNSWindowHandle(void **ret) override;
@@ -123,11 +104,33 @@ protected:
     virtual NSWindowStyleMask GetStyle();
 
     void UpdateStyle();
+                           
+    virtual void OnInitialiseNSWindow ();
 
 private:
     void CreateNSWindow (bool isDialog);
     void CleanNSWindow ();
     void InitialiseNSWindow ();
+
+    NSCursor *cursor;
+    ComPtr<IAvnGlContext> _glContext;
+    bool hasPosition;
+    NSSize lastSize;
+    NSSize lastMinSize;
+    NSSize lastMaxSize;
+    AvnMenu* lastMenu;
+    bool _inResize;
+
+protected:
+    AvnPoint lastPositionSet;
+    AutoFitContentView *StandardContainer;
+    bool _shown;
+
+public:
+    NSObject <IRenderTarget> *renderTarget;
+    NSWindow * Window;
+    ComPtr<IAvnWindowBaseEvents> BaseEvents;
+    AvnView *View;
 };
 
 #endif //AVALONIA_NATIVE_OSX_WINDOWBASEIMPL_H
diff --git a/native/Avalonia.Native/src/OSX/WindowBaseImpl.mm b/native/Avalonia.Native/src/OSX/WindowBaseImpl.mm
index 2b9310b3dd..6422066862 100644
--- a/native/Avalonia.Native/src/OSX/WindowBaseImpl.mm
+++ b/native/Avalonia.Native/src/OSX/WindowBaseImpl.mm
@@ -34,7 +34,6 @@ WindowBaseImpl::WindowBaseImpl(IAvnWindowBaseEvents *events, IAvnGlContext *gl)
     lastSize = NSSize { 100, 100 };
     lastMaxSize = NSSize { CGFLOAT_MAX, CGFLOAT_MAX};
     lastMinSize = NSSize { 0, 0 };
-    _lastTitle = @"";
 
     Window = nullptr;
     lastMenu = nullptr;
@@ -101,8 +100,6 @@ HRESULT WindowBaseImpl::Show(bool activate, bool isDialog) {
 
         UpdateStyle();
 
-        [Window setTitle:_lastTitle];
-
         if (ShouldTakeFocusOnShow() && activate) {
             [Window orderFront:Window];
             [Window makeKeyAndOrderFront:Window];
@@ -569,6 +566,11 @@ void WindowBaseImpl::CreateNSWindow(bool isDialog) {
     }
 }
 
+void WindowBaseImpl::OnInitialiseNSWindow()
+{
+    
+}
+
 void WindowBaseImpl::InitialiseNSWindow() {
     if(Window != nullptr) {
         [Window setContentView:StandardContainer];
@@ -588,6 +590,8 @@ void WindowBaseImpl::InitialiseNSWindow() {
                 [GetWindowProtocol() showWindowMenuWithAppMenu];
             }
         }
+        
+        OnInitialiseNSWindow();
     }
 }
 
diff --git a/native/Avalonia.Native/src/OSX/WindowImpl.h b/native/Avalonia.Native/src/OSX/WindowImpl.h
index a4ee4f447c..db19497b29 100644
--- a/native/Avalonia.Native/src/OSX/WindowImpl.h
+++ b/native/Avalonia.Native/src/OSX/WindowImpl.h
@@ -88,9 +88,14 @@ BEGIN_INTERFACE_MAP()
     virtual HRESULT SetWindowState (AvnWindowState state) override;
 
     virtual bool IsDialog() override;
+    
+    virtual void OnInitialiseNSWindow() override;
 
 protected:
     virtual NSWindowStyleMask GetStyle() override;
+
+private:
+    NSString *_lastTitle;
 };
 
 #endif //AVALONIA_NATIVE_OSX_WINDOWIMPL_H
diff --git a/native/Avalonia.Native/src/OSX/WindowImpl.mm b/native/Avalonia.Native/src/OSX/WindowImpl.mm
index 7ec5f2d929..ee4dd1ae4b 100644
--- a/native/Avalonia.Native/src/OSX/WindowImpl.mm
+++ b/native/Avalonia.Native/src/OSX/WindowImpl.mm
@@ -18,10 +18,8 @@ WindowImpl::WindowImpl(IAvnWindowEvents *events, IAvnGlContext *gl) : WindowBase
     _inSetWindowState = false;
     _lastWindowState = Normal;
     _actualWindowState = Normal;
+    _lastTitle = @"";
     WindowEvents = events;
-    [Window disableCursorRects];
-    [Window setTabbingMode:NSWindowTabbingModeDisallowed];
-    [Window setCollectionBehavior:NSWindowCollectionBehaviorFullScreenPrimary];
 }
 
 void WindowImpl::HideOrShowTrafficLights() {
@@ -49,25 +47,29 @@ void WindowImpl::HideOrShowTrafficLights() {
     }
 }
 
+void WindowImpl::OnInitialiseNSWindow(){
+    [GetWindowProtocol() setCanBecomeKeyWindow:true];
+    [Window disableCursorRects];
+    [Window setTabbingMode:NSWindowTabbingModeDisallowed];
+    [Window setCollectionBehavior:NSWindowCollectionBehaviorFullScreenPrimary];
+
+    [Window setTitle:_lastTitle];
+    
+    if(_isClientAreaExtended)
+    {
+        [GetWindowProtocol() setIsExtended:true];
+        SetExtendClientArea(true);
+    }
+}
+
 HRESULT WindowImpl::Show(bool activate, bool isDialog) {
     START_COM_CALL;
 
     @autoreleasepool {
         _isDialog = isDialog;
 
-        bool created = Window == nullptr;
-
         WindowBaseImpl::Show(activate, isDialog);
 
-        if(created)
-        {
-            if(_isClientAreaExtended)
-            {
-                [GetWindowProtocol() setIsExtended:true];
-                SetExtendClientArea(true);
-            }
-        }
-
         HideOrShowTrafficLights();
 
         return SetWindowState(_lastWindowState);
diff --git a/native/Avalonia.Native/src/OSX/WindowProtocol.h b/native/Avalonia.Native/src/OSX/WindowProtocol.h
index 92194706de..0e5c5869e7 100644
--- a/native/Avalonia.Native/src/OSX/WindowProtocol.h
+++ b/native/Avalonia.Native/src/OSX/WindowProtocol.h
@@ -22,4 +22,6 @@
 -(void) setIsExtended:(bool)value;
 -(void) disconnectParent;
 -(bool) isDialog;
-@end
\ No newline at end of file
+
+-(void) setCanBecomeKeyWindow:(bool)value;
+@end