From 45b592c8b102f3a2ac23fb83559a0470dac36eef Mon Sep 17 00:00:00 2001
From: Vitaliy Orazov <viordash@mail.ru>
Date: Mon, 17 Jul 2023 15:27:05 +0300
Subject: [PATCH 01/12] fix CF_DIB value
 (https://learn.microsoft.com/en-us/windows/win32/dataxchg/standard-clipboard-formats
 says that CF_DIB is equal to 8)

---
 src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs b/src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs
index 68f3e3c670..9c1e68453c 100644
--- a/src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs
+++ b/src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs
@@ -2137,7 +2137,7 @@ namespace Avalonia.Win32.Interop
             /// <summary>
             /// A memory object containing a BITMAPINFO structure followed by the bitmap bits.
             /// </summary>
-            CF_DIB = 3,
+            CF_DIB = 8,
             /// <summary>
             /// Unicode text format. Each line ends with a carriage return/linefeed (CR-LF) combination. A null character signals the end of the data.
             /// </summary>

From e02476f88c7cc19dd754e207e5e4cbef84e85484 Mon Sep 17 00:00:00 2001
From: Vitaliy Orazov <viordash@mail.ru>
Date: Mon, 17 Jul 2023 15:36:48 +0300
Subject: [PATCH 02/12] add predefined image clipboard formats because
 GetClipboardFormatName cannot get a name for predefined. The Unknown_Format_
 template is poor for system formats

---
 src/Windows/Avalonia.Win32/ClipboardFormats.cs   |  7 +++++++
 .../Avalonia.Win32/Interop/UnmanagedMethods.cs   | 16 ++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/src/Windows/Avalonia.Win32/ClipboardFormats.cs b/src/Windows/Avalonia.Win32/ClipboardFormats.cs
index 00fdeb2a1d..b1b1a67ba0 100644
--- a/src/Windows/Avalonia.Win32/ClipboardFormats.cs
+++ b/src/Windows/Avalonia.Win32/ClipboardFormats.cs
@@ -33,6 +33,13 @@ namespace Avalonia.Win32
 #pragma warning disable CS0618 // Type or member is obsolete
             new ClipboardFormat(DataFormats.FileNames, (ushort)UnmanagedMethods.ClipboardFormat.CF_HDROP),
 #pragma warning restore CS0618 // Type or member is obsolete
+
+            new ClipboardFormat("Bitmap", (ushort)UnmanagedMethods.ClipboardFormat.CF_BITMAP),
+            new ClipboardFormat("MetafilePict", (ushort)UnmanagedMethods.ClipboardFormat.CF_METAFILEPICT),
+            new ClipboardFormat("Dib", (ushort)UnmanagedMethods.ClipboardFormat.CF_DIB),
+            new ClipboardFormat("EnhancedMetafile", (ushort)UnmanagedMethods.ClipboardFormat.CF_ENHMETAFILE),
+            new ClipboardFormat("Palette", (ushort)UnmanagedMethods.ClipboardFormat.CF_PALETTE),
+            new ClipboardFormat("PenData", (ushort)UnmanagedMethods.ClipboardFormat.CF_PENDATA),
         };
 
 
diff --git a/src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs b/src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs
index 9c1e68453c..f2987f50d5 100644
--- a/src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs
+++ b/src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs
@@ -2135,14 +2135,30 @@ namespace Avalonia.Win32.Interop
             /// </summary>
             CF_BITMAP = 2,
             /// <summary>
+            /// Handle to a metafile picture format as defined by the METAFILEPICT structure. When passing a CF_METAFILEPICT handle by means of DDE, the application responsible for deleting hMem should also free the metafile referred to by the CF_METAFILEPICT handle.
+            /// </summary>
+            CF_METAFILEPICT = 3,
+            /// <summary>
             /// A memory object containing a BITMAPINFO structure followed by the bitmap bits.
             /// </summary>
             CF_DIB = 8,
             /// <summary>
+            /// Handle to a color palette.
+            /// </summary>
+            CF_PALETTE = 9,
+            /// <summary>
+            /// Data for the pen extensions to the Microsoft Windows for Pen Computing.
+            /// </summary>
+            CF_PENDATA = 10,
+            /// <summary>
             /// Unicode text format. Each line ends with a carriage return/linefeed (CR-LF) combination. A null character signals the end of the data.
             /// </summary>
             CF_UNICODETEXT = 13,
             /// <summary>
+            /// A handle to an enhanced metafile (HENHMETAFILE).
+            /// </summary>
+            CF_ENHMETAFILE = 14,
+            /// <summary>
             /// A handle to type HDROP that identifies a list of files. 
             /// </summary>
             CF_HDROP = 15,

From 2b7dbdb9707dc3521411bfb94683bfc5c6940525 Mon Sep 17 00:00:00 2001
From: Vitaliy Orazov <viordash@mail.ru>
Date: Mon, 17 Jul 2023 19:52:36 +0300
Subject: [PATCH 03/12] add predefined image clipboard formats because
 GetClipboardFormatName cannot get a name for predefined. The Unknown_Format_
 template is poor for system formats

---
 src/Windows/Avalonia.Win32/ClipboardFormats.cs         | 2 +-
 src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Windows/Avalonia.Win32/ClipboardFormats.cs b/src/Windows/Avalonia.Win32/ClipboardFormats.cs
index b1b1a67ba0..5d5bad5ffd 100644
--- a/src/Windows/Avalonia.Win32/ClipboardFormats.cs
+++ b/src/Windows/Avalonia.Win32/ClipboardFormats.cs
@@ -36,7 +36,7 @@ namespace Avalonia.Win32
 
             new ClipboardFormat("Bitmap", (ushort)UnmanagedMethods.ClipboardFormat.CF_BITMAP),
             new ClipboardFormat("MetafilePict", (ushort)UnmanagedMethods.ClipboardFormat.CF_METAFILEPICT),
-            new ClipboardFormat("Dib", (ushort)UnmanagedMethods.ClipboardFormat.CF_DIB),
+            new ClipboardFormat("Dib", (ushort)UnmanagedMethods.ClipboardFormat.CF_DIB, (ushort)UnmanagedMethods.ClipboardFormat.CF_DIBV5),
             new ClipboardFormat("EnhancedMetafile", (ushort)UnmanagedMethods.ClipboardFormat.CF_ENHMETAFILE),
             new ClipboardFormat("Palette", (ushort)UnmanagedMethods.ClipboardFormat.CF_PALETTE),
             new ClipboardFormat("PenData", (ushort)UnmanagedMethods.ClipboardFormat.CF_PENDATA),
diff --git a/src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs b/src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs
index f2987f50d5..a1e9165117 100644
--- a/src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs
+++ b/src/Windows/Avalonia.Win32/Interop/UnmanagedMethods.cs
@@ -2162,6 +2162,10 @@ namespace Avalonia.Win32.Interop
             /// A handle to type HDROP that identifies a list of files. 
             /// </summary>
             CF_HDROP = 15,
+            /// <summary>
+            /// A memory object containing a BITMAPV5HEADER structure followed by the bitmap color space information and the bitmap bits.
+            /// </summary>
+            CF_DIBV5 = 17,
         }
 
         public struct MSG

From 2f51fec236b41a0643023379426cbce749ec2f9e Mon Sep 17 00:00:00 2001
From: Vitaliy Orazov <viordash@mail.ru>
Date: Mon, 17 Jul 2023 19:54:08 +0300
Subject: [PATCH 04/12] wip. ControlCatalog. handling of bitmap formats in
 clipboard

---
 .../ControlCatalog/Pages/ClipboardPage.xaml   |  8 +++--
 .../Pages/ClipboardPage.xaml.cs               | 31 +++++++++++++++++++
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/samples/ControlCatalog/Pages/ClipboardPage.xaml b/samples/ControlCatalog/Pages/ClipboardPage.xaml
index 4199a9780f..664e0036e5 100644
--- a/samples/ControlCatalog/Pages/ClipboardPage.xaml
+++ b/samples/ControlCatalog/Pages/ClipboardPage.xaml
@@ -12,12 +12,16 @@
     <Button Click="CopyFilesDataObject" Content="Copy files to clipboard (data object)" />
     <Button Click="PasteFilesDataObject" Content="Paste files from clipboard (data object)" />
 
+    <Button Click="CopyBitmapDataObject" Content="Copy bitmap (CF_DIB, image/bmp) to clipboard (data object)" />
+    <Button Click="PasteBitmapDataObject" Content="Paste bitmap (CF_DIB, image/bmp) from clipboard (data object)" />
+
     <Button Click="GetFormats" Content="Get clipboard formats" />
     <Button Click="Clear" Content="Clear clipboard" />
 
     <TextBox x:Name="ClipboardContent"
-             MinHeight="100"
+             MinHeight="400"
              AcceptsReturn="True"
-             Watermark="Text to copy of file names per line" />
+             Watermark="Text to copy of file names per line"
+             TextWrapping="Wrap"/>
   </StackPanel>
 </UserControl>
diff --git a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
index 089d1af197..5fc6d175ea 100644
--- a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
+++ b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Text;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.Notifications;
@@ -118,6 +119,36 @@ namespace ControlCatalog.Pages
             }
         }
 
+        private void CopyBitmapDataObject(object? sender, RoutedEventArgs args)
+        {
+            if (TopLevel.GetTopLevel(this)?.Clipboard is { } clipboard)
+            {
+
+            }
+        }
+
+        private async void PasteBitmapDataObject(object? sender, RoutedEventArgs args)
+        {
+            if (TopLevel.GetTopLevel(this)?.Clipboard is { } clipboard)
+            {
+                var bytes = await clipboard.GetDataAsync("Bitmap") as IEnumerable<byte> 
+                    ?? await clipboard.GetDataAsync("Dib") as IEnumerable<byte>;
+
+                if (bytes != null)
+                {
+                    var printable = bytes.Take(1000);
+                    var sb = new StringBuilder(256 + printable.Count() * 3);
+                    sb.AppendLine($"{bytes.Count()} bytes, list of first {printable.Count()}");
+                    sb.AppendJoin(" ", printable.Select(x => x.ToString("X2")));
+                    ClipboardContent.Text = sb.ToString();
+                }
+                else
+                {
+                    ClipboardContent.Text = string.Empty;
+                }
+            }
+        }
+
         private async void GetFormats(object sender, RoutedEventArgs args)
         {
             if (TopLevel.GetTopLevel(this)?.Clipboard is { } clipboard)

From 3098b22ba5dfada448f44ee8106e16598247feda Mon Sep 17 00:00:00 2001
From: Vitalii Orazov <viordash@mail.ru>
Date: Mon, 17 Jul 2023 22:08:29 +0300
Subject: [PATCH 05/12] x11. fix nullref

---
 samples/ControlCatalog/Pages/ClipboardPage.xaml.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
index 5fc6d175ea..c96318507b 100644
--- a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
+++ b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
@@ -154,7 +154,7 @@ namespace ControlCatalog.Pages
             if (TopLevel.GetTopLevel(this)?.Clipboard is { } clipboard)
             {
                 var formats = await clipboard.GetFormatsAsync();
-                ClipboardContent.Text = string.Join(Environment.NewLine, formats);
+                ClipboardContent.Text = formats != null ? string.Join(Environment.NewLine, formats) : string.Empty;
             }
         }
 

From 1484a7d1889b59cc692fd0a84659cb81ef8826ef Mon Sep 17 00:00:00 2001
From: Vitalii Orazov <viordash@mail.ru>
Date: Mon, 17 Jul 2023 22:54:29 +0300
Subject: [PATCH 06/12] wip. ControlCatalog. handling of basic bitmap formats
 on the clipboard

---
 .../Pages/ClipboardPage.xaml.cs               | 32 +++++++++++++++++--
 1 file changed, 29 insertions(+), 3 deletions(-)

diff --git a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
index c96318507b..af413e383d 100644
--- a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
+++ b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
@@ -131,14 +131,40 @@ namespace ControlCatalog.Pages
         {
             if (TopLevel.GetTopLevel(this)?.Clipboard is { } clipboard)
             {
-                var bytes = await clipboard.GetDataAsync("Bitmap") as IEnumerable<byte> 
-                    ?? await clipboard.GetDataAsync("Dib") as IEnumerable<byte>;
+                var format = "Bitmap";
+
+                var obj = await clipboard.GetDataAsync(format);
+                var bytes = obj as IEnumerable<byte>;
+                if (bytes == null)
+                {
+                    format = "Dib";
+                    obj = await clipboard.GetDataAsync(format);
+                    bytes = obj as IEnumerable<byte>;
+                }
+                if (bytes == null)
+                {
+                    format = "image/bmp";
+                    obj = await clipboard.GetDataAsync(format);
+                    bytes = obj as IEnumerable<byte>;
+                }
+                if (bytes == null)
+                {
+                    format = "image/png";
+                    obj = await clipboard.GetDataAsync(format);
+                    bytes = obj as IEnumerable<byte>;
+                }
+                if (bytes == null)
+                {
+                    format = "image/jpeg";
+                    obj = await clipboard.GetDataAsync(format);
+                    bytes = obj as IEnumerable<byte>;
+                }
 
                 if (bytes != null)
                 {
                     var printable = bytes.Take(1000);
                     var sb = new StringBuilder(256 + printable.Count() * 3);
-                    sb.AppendLine($"{bytes.Count()} bytes, list of first {printable.Count()}");
+                    sb.AppendLine($"format: {format}, {bytes.Count()} bytes, list of first {printable.Count()}");
                     sb.AppendJoin(" ", printable.Select(x => x.ToString("X2")));
                     ClipboardContent.Text = sb.ToString();
                 }

From 6df0f1caa1c60d66dc5c111fb6bb2bbfc0eedf87 Mon Sep 17 00:00:00 2001
From: Vitalii Orazov <viordash@mail.ru>
Date: Mon, 17 Jul 2023 22:59:52 +0300
Subject: [PATCH 07/12] disable CopyBitmapDataObject

---
 samples/ControlCatalog/Pages/ClipboardPage.xaml    | 2 +-
 samples/ControlCatalog/Pages/ClipboardPage.xaml.cs | 5 +----
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/samples/ControlCatalog/Pages/ClipboardPage.xaml b/samples/ControlCatalog/Pages/ClipboardPage.xaml
index 664e0036e5..10fb8f8590 100644
--- a/samples/ControlCatalog/Pages/ClipboardPage.xaml
+++ b/samples/ControlCatalog/Pages/ClipboardPage.xaml
@@ -12,7 +12,7 @@
     <Button Click="CopyFilesDataObject" Content="Copy files to clipboard (data object)" />
     <Button Click="PasteFilesDataObject" Content="Paste files from clipboard (data object)" />
 
-    <Button Click="CopyBitmapDataObject" Content="Copy bitmap (CF_DIB, image/bmp) to clipboard (data object)" />
+    <Button Click="CopyBitmapDataObject" Content="Copy bitmap (CF_DIB, image/bmp) to clipboard (data object)" IsEnabled="False" />
     <Button Click="PasteBitmapDataObject" Content="Paste bitmap (CF_DIB, image/bmp) from clipboard (data object)" />
 
     <Button Click="GetFormats" Content="Get clipboard formats" />
diff --git a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
index af413e383d..de39036ba5 100644
--- a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
+++ b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
@@ -121,10 +121,7 @@ namespace ControlCatalog.Pages
 
         private void CopyBitmapDataObject(object? sender, RoutedEventArgs args)
         {
-            if (TopLevel.GetTopLevel(this)?.Clipboard is { } clipboard)
-            {
-
-            }
+            throw new NotSupportedException();
         }
 
         private async void PasteBitmapDataObject(object? sender, RoutedEventArgs args)

From 0ec1c44d072364da54015ec56d8f2c958e561716 Mon Sep 17 00:00:00 2001
From: Vitaliy Orazov <viordash@mail.ru>
Date: Tue, 18 Jul 2023 00:25:43 +0300
Subject: [PATCH 08/12] implement CopyBitmapDataObject

---
 .../ControlCatalog/Pages/ClipboardPage.xaml   |  5 ++-
 .../Pages/ClipboardPage.xaml.cs               | 34 ++++++++++++++++---
 2 files changed, 31 insertions(+), 8 deletions(-)

diff --git a/samples/ControlCatalog/Pages/ClipboardPage.xaml b/samples/ControlCatalog/Pages/ClipboardPage.xaml
index 10fb8f8590..1d0bcb8e4b 100644
--- a/samples/ControlCatalog/Pages/ClipboardPage.xaml
+++ b/samples/ControlCatalog/Pages/ClipboardPage.xaml
@@ -12,7 +12,7 @@
     <Button Click="CopyFilesDataObject" Content="Copy files to clipboard (data object)" />
     <Button Click="PasteFilesDataObject" Content="Paste files from clipboard (data object)" />
 
-    <Button Click="CopyBitmapDataObject" Content="Copy bitmap (CF_DIB, image/bmp) to clipboard (data object)" IsEnabled="False" />
+    <Button Click="CopyBitmapDataObject" Content="Copy bitmap (CF_DIB, image/bmp) to clipboard (data object)" />
     <Button Click="PasteBitmapDataObject" Content="Paste bitmap (CF_DIB, image/bmp) from clipboard (data object)" />
 
     <Button Click="GetFormats" Content="Get clipboard formats" />
@@ -21,7 +21,6 @@
     <TextBox x:Name="ClipboardContent"
              MinHeight="400"
              AcceptsReturn="True"
-             Watermark="Text to copy of file names per line"
-             TextWrapping="Wrap"/>
+             Watermark="Text to copy of file names per line" />
   </StackPanel>
 </UserControl>
diff --git a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
index de39036ba5..2c8fada368 100644
--- a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
+++ b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
@@ -119,9 +119,24 @@ namespace ControlCatalog.Pages
             }
         }
 
-        private void CopyBitmapDataObject(object? sender, RoutedEventArgs args)
+        private async void CopyBitmapDataObject(object? sender, RoutedEventArgs args)
         {
-            throw new NotSupportedException();
+            if (TopLevel.GetTopLevel(this)?.Clipboard is { } clipboard)
+            {
+                var lines = (ClipboardContent.Text ?? string.Empty)
+                    .Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
+                if (lines.Length < 3)
+                {
+                    return;
+                }
+                var format = lines[0];
+                var hexLine = string.Join(" ", lines.Skip(2));
+                var hexBytes = hexLine.Split(new[] { ' ', '-' }, StringSplitOptions.RemoveEmptyEntries);
+                var bytes = hexBytes.Select(x => Convert.ToByte(x, 16));
+                var dataObject = new DataObject();
+                dataObject.Set(format, bytes);
+                await clipboard.SetDataObjectAsync(dataObject);
+            }
         }
 
         private async void PasteBitmapDataObject(object? sender, RoutedEventArgs args)
@@ -133,6 +148,12 @@ namespace ControlCatalog.Pages
                 var obj = await clipboard.GetDataAsync(format);
                 var bytes = obj as IEnumerable<byte>;
                 if (bytes == null)
+                {
+                    format = "Unknown_Format_8";
+                    obj = await clipboard.GetDataAsync(format);
+                    bytes = obj as IEnumerable<byte>;
+                }
+                if (bytes == null)
                 {
                     format = "Dib";
                     obj = await clipboard.GetDataAsync(format);
@@ -159,11 +180,14 @@ namespace ControlCatalog.Pages
 
                 if (bytes != null)
                 {
-                    var printable = bytes.Take(1000);
+                    var printable = bytes.ToArray();
                     var sb = new StringBuilder(256 + printable.Count() * 3);
-                    sb.AppendLine($"format: {format}, {bytes.Count()} bytes, list of first {printable.Count()}");
-                    sb.AppendJoin(" ", printable.Select(x => x.ToString("X2")));
+                    sb.AppendLine($"{format}");
+                    sb.AppendLine($"{bytes.Count()} bytes (list of first {printable.Count()} bytes)");
+                    sb.Append(BitConverter.ToString(printable).Replace('-', ' '));
+                    ClipboardContent.TextWrapping = Avalonia.Media.TextWrapping.NoWrap;
                     ClipboardContent.Text = sb.ToString();
+                    ClipboardContent.TextWrapping = Avalonia.Media.TextWrapping.Wrap;
                 }
                 else
                 {

From eee28d05530625fb4398f89fcbfdf025d9b0e3f0 Mon Sep 17 00:00:00 2001
From: Vitalii Orazov <viordash@mail.ru>
Date: Tue, 18 Jul 2023 00:50:53 +0300
Subject: [PATCH 09/12] remove extra

---
 samples/ControlCatalog/Pages/ClipboardPage.xaml    | 2 +-
 samples/ControlCatalog/Pages/ClipboardPage.xaml.cs | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/samples/ControlCatalog/Pages/ClipboardPage.xaml b/samples/ControlCatalog/Pages/ClipboardPage.xaml
index 1d0bcb8e4b..68f8babdc3 100644
--- a/samples/ControlCatalog/Pages/ClipboardPage.xaml
+++ b/samples/ControlCatalog/Pages/ClipboardPage.xaml
@@ -19,7 +19,7 @@
     <Button Click="Clear" Content="Clear clipboard" />
 
     <TextBox x:Name="ClipboardContent"
-             MinHeight="400"
+             MinHeight="100"
              AcceptsReturn="True"
              Watermark="Text to copy of file names per line" />
   </StackPanel>
diff --git a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
index 2c8fada368..c2c2cd551c 100644
--- a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
+++ b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
@@ -181,9 +181,9 @@ namespace ControlCatalog.Pages
                 if (bytes != null)
                 {
                     var printable = bytes.ToArray();
-                    var sb = new StringBuilder(256 + printable.Count() * 3);
+                    var sb = new StringBuilder(256 + printable.Length * 3);
                     sb.AppendLine($"{format}");
-                    sb.AppendLine($"{bytes.Count()} bytes (list of first {printable.Count()} bytes)");
+                    sb.AppendLine($"{printable.Length} bytes");
                     sb.Append(BitConverter.ToString(printable).Replace('-', ' '));
                     ClipboardContent.TextWrapping = Avalonia.Media.TextWrapping.NoWrap;
                     ClipboardContent.Text = sb.ToString();

From 4b0c68932dbfdc791bfa9b9aad03f99f6f8be030 Mon Sep 17 00:00:00 2001
From: Vitalii Orazov <viordash@mail.ru>
Date: Tue, 18 Jul 2023 14:36:19 +0300
Subject: [PATCH 10/12] fix CopyBitmapDataObject

---
 samples/ControlCatalog/Pages/ClipboardPage.xaml.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
index c2c2cd551c..8fff99e8a9 100644
--- a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
+++ b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
@@ -132,7 +132,7 @@ namespace ControlCatalog.Pages
                 var format = lines[0];
                 var hexLine = string.Join(" ", lines.Skip(2));
                 var hexBytes = hexLine.Split(new[] { ' ', '-' }, StringSplitOptions.RemoveEmptyEntries);
-                var bytes = hexBytes.Select(x => Convert.ToByte(x, 16));
+                var bytes = hexBytes.Select(x => Convert.ToByte(x, 16)).ToArray();
                 var dataObject = new DataObject();
                 dataObject.Set(format, bytes);
                 await clipboard.SetDataObjectAsync(dataObject);

From 1f9e0a880d05214433de084f50cdb50b44346f3f Mon Sep 17 00:00:00 2001
From: Vitaliy Orazov <viordash@mail.ru>
Date: Tue, 18 Jul 2023 15:19:02 +0300
Subject: [PATCH 11/12] remove extra

---
 samples/ControlCatalog/Pages/ClipboardPage.xaml.cs | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
index 8fff99e8a9..b4c8544a72 100644
--- a/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
+++ b/samples/ControlCatalog/Pages/ClipboardPage.xaml.cs
@@ -144,16 +144,9 @@ namespace ControlCatalog.Pages
             if (TopLevel.GetTopLevel(this)?.Clipboard is { } clipboard)
             {
                 var format = "Bitmap";
-
                 var obj = await clipboard.GetDataAsync(format);
                 var bytes = obj as IEnumerable<byte>;
                 if (bytes == null)
-                {
-                    format = "Unknown_Format_8";
-                    obj = await clipboard.GetDataAsync(format);
-                    bytes = obj as IEnumerable<byte>;
-                }
-                if (bytes == null)
                 {
                     format = "Dib";
                     obj = await clipboard.GetDataAsync(format);

From 92250390a971cc7ec22db61b01b26e97239a68e7 Mon Sep 17 00:00:00 2001
From: Vitaliy Orazov <viordash@mail.ru>
Date: Tue, 18 Jul 2023 16:34:33 +0300
Subject: [PATCH 12/12] change button's text

---
 samples/ControlCatalog/Pages/ClipboardPage.xaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/samples/ControlCatalog/Pages/ClipboardPage.xaml b/samples/ControlCatalog/Pages/ClipboardPage.xaml
index 68f8babdc3..57b3111ab3 100644
--- a/samples/ControlCatalog/Pages/ClipboardPage.xaml
+++ b/samples/ControlCatalog/Pages/ClipboardPage.xaml
@@ -12,8 +12,8 @@
     <Button Click="CopyFilesDataObject" Content="Copy files to clipboard (data object)" />
     <Button Click="PasteFilesDataObject" Content="Paste files from clipboard (data object)" />
 
-    <Button Click="CopyBitmapDataObject" Content="Copy bitmap (CF_DIB, image/bmp) to clipboard (data object)" />
-    <Button Click="PasteBitmapDataObject" Content="Paste bitmap (CF_DIB, image/bmp) from clipboard (data object)" />
+    <Button Click="CopyBitmapDataObject" Content="Copy image to clipboard (data object)" ToolTip.Tip="CF_BITMAP, CF_DIB, image/bmp, image/png, image/jpeg" />
+    <Button Click="PasteBitmapDataObject" Content="Paste image from clipboard (data object)" ToolTip.Tip="CF_BITMAP, CF_DIB, image/bmp, image/png, image/jpeg" />
 
     <Button Click="GetFormats" Content="Get clipboard formats" />
     <Button Click="Clear" Content="Clear clipboard" />