add handler for DWM_COMPOSITION_CHANGED.

6 years ago · 137402da1d
1 changed files with 4 additions and 0 deletions
--- a/src/Windows/Avalonia.Win32/WindowImpl.CustomCaptionProc.cs
+++ b/src/Windows/Avalonia.Win32/WindowImpl.CustomCaptionProc.cs
@ -79,6 +79,10 @@ namespace Avalonia.Win32

            switch ((WindowsMessage)msg)
            {
+                case WindowsMessage.WM_DWMCOMPOSITIONCHANGED:
+                    // TODO handle composition changed.
+                    break;
+
                case WindowsMessage.WM_NCHITTEST:
                    if (lRet == IntPtr.Zero)
                    {