hittest when button is pressed

src/Avalonia.Controls/Button.cs

@@ -2,6 +2,7 @@
 // Licensed under the MIT license. See licence.md file in the project root for full license information.
 
 using System;
+using System.Linq;
 using System.Windows.Input;
 using Avalonia.Data;
 using Avalonia.Input;
@@ -251,8 +252,9 @@ namespace Avalonia.Controls
                 IsPressed = false;
                 e.Handled = true;
 
-                if (ClickMode == ClickMode.Release && 
-                    (IsPointerOver || new Rect(Bounds.Size).Contains(e.GetPosition(this))))
+                var hittest = VisualRoot?.Renderer?.HitTest(e.GetPosition(VisualRoot), VisualRoot, null);
+
+                if (ClickMode == ClickMode.Release && hittest?.Any(v => v == this) == true)
                 {
                     OnClick();
                 }
@@ -262,9 +264,9 @@ namespace Avalonia.Controls
         protected override void UpdateDataValidation(AvaloniaProperty property, BindingNotification status)
         {
             base.UpdateDataValidation(property, status);
-            if(property == CommandProperty)
+            if (property == CommandProperty)
             {
-                if(status?.ErrorType == BindingErrorType.Error)
+                if (status?.ErrorType == BindingErrorType.Error)
                 {
                     IsEnabled = false;
                 }