Win32 - Apply extend client state when window visibility changes (#15566

) * win32 - apply extend client state when window visibility changes * only apply extend client if window is extended.
AvaloniaUI · May 8, 2024 · 91525d0 · 91525d0
1 parent 1408253
commit 91525d0
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/Windows/Avalonia.Win32/WindowImpl.AppWndProc.cs b/src/Windows/Avalonia.Win32/WindowImpl.AppWndProc.cs
@@ -611,6 +611,11 @@ protected virtual unsafe IntPtr AppWndProc(IntPtr hWnd, uint msg, IntPtr wParam,
 
                 case WindowsMessage.WM_SHOWWINDOW:
                     _shown = wParam != default;
+
+                    if (_isClientAreaExtended)
+                    {
+                        ExtendClientArea();
+                    }
                     break;
 
                 case WindowsMessage.WM_SIZE: