[Windows] Allow tap gesture in ContentView

src/Controls/tests/TestCases/Issues/Issue15810.cs

@@ -0,0 +1,62 @@
+using System;
+using Microsoft.Maui;
+using Microsoft.Maui.Controls;
+using Microsoft.Maui.Graphics;
+
+namespace Maui.Controls.Sample.Issues
+{
+	[Issue(IssueTracker.Github, 15810, "TapGestureRecognizer Tapped events not worked in Windows Platform", PlatformAffected.UWP)]
+	public class Issue15810 : TestContentPage
+	{
+		protected override void Init()
+		{
+			var grid = new Grid();
+			grid.RowDefinitions.Add(new RowDefinition { Height = GridLength.Star });
+			grid.RowDefinitions.Add(new RowDefinition { Height = GridLength.Auto });
+
+			var customView = new CustomView
+			{
+				AutomationId = "CustomView"
+			};
+
+			var infoLabel = new Label
+			{
+				AutomationId = "InfoLabel"
+			};
+
+			Grid.SetRow(customView, 0);
+			grid.Children.Add(customView);
+
+			Grid.SetRow(infoLabel, 1);
+			grid.Children.Add(infoLabel);
+
+			customView.Tapped += (sender, args) =>
+			{
+				infoLabel.Text = "Tapped";
+			};
+
+			Content = grid;
+		}
+	}
+
+	internal class CustomView : ContentView
+	{
+		public CustomView()
+		{
+			var absoluteLayout = new AbsoluteLayout();
+			Content = absoluteLayout;
+
+			var tapGestureRecognizer = new TapGestureRecognizer();
+			tapGestureRecognizer.Tapped += OnBoxTapped;
+			GestureRecognizers.Add(tapGestureRecognizer);
+		}
+
+		public EventHandler Tapped;
+
+		private void OnBoxTapped(object sender, EventArgs e)
+		{
+			BackgroundColor = BackgroundColor == Colors.Red ? Colors.Green : Colors.Red;
+			Tapped?.Invoke(this, EventArgs.Empty);
+		}
+	}
+}

src/Controls/tests/UITests/Tests/Issues/Issue15810.cs

@@ -0,0 +1,30 @@
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.AppiumTests.Issues
+{
+	public class Issue15810 : _IssuesUITest
+	{
+		readonly string _customViewId = "CustomView";
+
+		public Issue15810(TestDevice device) : base(device)
+		{
+		}
+
+		public override string Issue => "TapGestureRecognizer Tapped events not worked in Windows Platform";
+
+		[Test]
+		public void WhenTapCustomViewThenChangesColor()
+		{
+			// FindElement is not able to get a ContentView on Windows
+			this.IgnoreIfPlatforms(new TestDevice[] { TestDevice.Windows });
+
+			App.WaitForElement(_customViewId);
+			App.Click(_customViewId);
+
+			var infoText = App.FindElement("InfoLabel").GetText();
+			Assert.IsNotEmpty(infoText);
+		}
+	}
+}

src/Core/src/Handlers/ContentView/ContentViewHandler.Windows.cs

@@ -1,4 +1,5 @@
 using System;
+using Microsoft.Maui.Graphics;
 
 namespace Microsoft.Maui.Handlers
 {
@@ -37,7 +38,8 @@ protected override ContentPanel CreatePlatformView()
 
 			var view = new ContentPanel
 			{
-				CrossPlatformLayout = VirtualView
+				CrossPlatformLayout = VirtualView,
+				IsHitTestVisible = true
 			};
 
 			return view;
@@ -55,5 +57,16 @@ protected override void DisconnectHandler(ContentPanel platformView)
 
 			base.DisconnectHandler(platformView);
 		}
+
+		static UI.Xaml.FrameworkElement? CreateContent(IView content, IMauiContext mauiContext)
+		{
+			var platformContent = content.ToPlatform(mauiContext);
+
+			var defaultBrush = new UI.Xaml.Media.SolidColorBrush(Colors.Transparent.ToWindowsColor());
+			platformContent.UpdatePlatformViewBackground(content, defaultBrush);
+
+			return platformContent;
+
+		}
 	}
 }

src/Core/src/Platform/Windows/ViewExtensions.cs

@@ -259,6 +259,18 @@ internal static void UpdatePlatformViewBackground(this FrameworkElement platform
 				panel.UpdateBackground(view.Background);
 		}
 
+		internal static void UpdatePlatformViewBackground(this FrameworkElement platformView, IView view, Brush? defaultBrush = null)
+		{
+			(platformView as ContentPanel)?.UpdateBackground(null);
+
+			if (platformView is Control control)
+				control.UpdateBackground(view.Background, defaultBrush);
+			else if (platformView is Border border)
+				border.UpdateBackground(view.Background, defaultBrush);
+			else if (platformView is Panel panel)
+				panel.UpdateBackground(view.Background, defaultBrush);
+		}
+
 		public static async Task UpdateBackgroundImageSourceAsync(this FrameworkElement platformView, IImageSource? imageSource, IImageSourceServiceProvider? provider)
 		{
 			if (platformView is Control control)