EffectiveViewportChangedListeners must be reference type

4 years ago · 22971f56cb
1 changed files with 1 additions and 1 deletions
--- a/src/Avalonia.Base/Layout/LayoutManager.cs
+++ b/src/Avalonia.Base/Layout/LayoutManager.cs
@ -414,7 +414,7 @@ namespace Avalonia.Layout
            }
        }
-        private struct EffectiveViewportChangedListener
+        private class EffectiveViewportChangedListener
        {
            public EffectiveViewportChangedListener(ILayoutable listener, Rect viewport)
            {