Speed-up Border rendering by avoiding useless pass during size alloca…

…tion

src/Controls/src/Core/Border/Border.cs

@@ -18,6 +18,7 @@ public class Border : View, IContentView, IBorderView, IPaddingElement
 		PropertyChangedEventHandler? _strokeShapeChanged;
 		WeakNotifyPropertyChangedProxy? _strokeProxy = null;
 		PropertyChangedEventHandler? _strokeChanged;
+		bool _sizeChanged;
 
 		~Border()
 		{
@@ -309,16 +310,29 @@ protected override void OnPropertyChanged([CallerMemberName] string? propertyNam
 		{
 			base.OnPropertyChanged(propertyName);
 
-			if (propertyName == HeightProperty.PropertyName ||
-				propertyName == StrokeThicknessProperty.PropertyName ||
-				propertyName == StrokeShapeProperty.PropertyName ||
-				propertyName == WidthProperty.PropertyName)
+			if (propertyName == WidthProperty.PropertyName || propertyName == HeightProperty.PropertyName)
+			{
+				_sizeChanged = true;
+			}
+			else if (propertyName == StrokeThicknessProperty.PropertyName || propertyName == StrokeShapeProperty.PropertyName)
 			{
-				Handler?.UpdateValue(nameof(IBorderStroke.Shape));
 				UpdateStrokeShape();
+				Handler?.UpdateValue(nameof(IBorderStroke.Shape));
 			}
 			else if (propertyName == StrokeDashArrayProperty.PropertyName)
+			{
 				Handler?.UpdateValue(nameof(IBorderStroke.StrokeDashPattern));
+			}
+		}
+
+		protected override void OnSizeAllocated(double width, double height)
+		{
+			base.OnSizeAllocated(width, height);
+			if (_sizeChanged)
+			{
+				_sizeChanged = false;
+				Handler?.UpdateValue(nameof(IBorderStroke.Shape));
+			}
 		}
 
 		void OnStrokeDashArrayChanged(object? sender, NotifyCollectionChangedEventArgs e)

src/Controls/src/Core/PublicAPI/net-android/PublicAPI.Unshipped.txt

@@ -1 +1,2 @@
 #nullable enable
+override Microsoft.Maui.Controls.Border.OnSizeAllocated(double width, double height) -> void

src/Controls/src/Core/PublicAPI/net-ios/PublicAPI.Unshipped.txt

@@ -1,2 +1,3 @@
 #nullable enable
+override Microsoft.Maui.Controls.Border.OnSizeAllocated(double width, double height) -> void
 override Microsoft.Maui.Controls.Handlers.Compatibility.FrameRenderer.MovedToWindow() -> void

src/Controls/src/Core/PublicAPI/net-maccatalyst/PublicAPI.Unshipped.txt

@@ -1,2 +1,3 @@
 #nullable enable
+override Microsoft.Maui.Controls.Border.OnSizeAllocated(double width, double height) -> void
 override Microsoft.Maui.Controls.Handlers.Compatibility.FrameRenderer.MovedToWindow() -> void

src/Controls/src/Core/PublicAPI/net-tizen/PublicAPI.Unshipped.txt

@@ -1 +1,2 @@
 #nullable enable
+override Microsoft.Maui.Controls.Border.OnSizeAllocated(double width, double height) -> void

src/Controls/src/Core/PublicAPI/net-windows/PublicAPI.Unshipped.txt

@@ -1 +1,2 @@
-#nullable enable
+#nullable enable
+override Microsoft.Maui.Controls.Border.OnSizeAllocated(double width, double height) -> void

src/Controls/src/Core/PublicAPI/net/PublicAPI.Unshipped.txt

@@ -1 +1,2 @@
 #nullable enable
+override Microsoft.Maui.Controls.Border.OnSizeAllocated(double width, double height) -> void

src/Controls/src/Core/PublicAPI/netstandard/PublicAPI.Unshipped.txt

@@ -1 +1,2 @@
 #nullable enable
+override Microsoft.Maui.Controls.Border.OnSizeAllocated(double width, double height) -> void