window.WindowDecorationMargin.Top can be negative, but Height cannot (#16735)

1 year ago · dd17e85271
1 changed files with 1 additions and 1 deletions
--- a/src/Avalonia.Controls/Chrome/TitleBar.cs
+++ b/src/Avalonia.Controls/Chrome/TitleBar.cs
@ -27,7 +27,7 @@ namespace Avalonia.Controls.Chrome

            if (window.WindowState != WindowState.FullScreen)
            {
-                Height = window.WindowDecorationMargin.Top;
+                Height = Math.Max(0, window.WindowDecorationMargin.Top);

                if (_captionButtons != null)
                {