Add test

src/Controls/tests/TestCases.HostApp/Issues/Issue26466.cs

@@ -0,0 +1,36 @@
+namespace Maui.Controls.Sample.Issues
+{
+	[Issue(IssueTracker.Github, 26466, "Button is not released on unload", PlatformAffected.WinRT)]
+	public partial class Issue26466 : TestContentPage
+	{
+		protected override void Init()
+		{
+			var button = new Button()
+			{
+				Text = "Hello",
+				AutomationId = "thebutton"
+			};
+
+			var success = new Label
+			{
+				Text = "If you see this, the test has passed",
+				AutomationId = "success"
+			};
+
+			var layout = new Microsoft.Maui.Controls.StackLayout();
+			layout.Children.Add(button);
+
+			button.Pressed += (s, e) =>
+			{
+				layout.Children.Remove(button);
+			};
+
+			button.Released += (s, e) =>
+			{
+				layout.Children.Add(success);
+			};
+
+			Content = layout;
+		}
+	}
+}

src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue26466.cs

@@ -0,0 +1,33 @@
+#if WINDOWS
+using NUnit.Framework;
+using UITest.Appium;
+using UITest.Core;
+
+namespace Microsoft.Maui.TestCases.Tests.Issues
+{
+	public class Issue26466 : _IssuesUITest
+	{
+		const string ButtonId = "thebutton";
+		const string SuccessId = "success";
+
+		public Issue26466(TestDevice testDevice) : base(testDevice)
+		{
+		}
+
+		public override string Issue => "Button is not released on unload";
+
+		[Test]
+		[Category(UITestCategories.Button)]
+		public async Task SwitchColorTest()
+		{
+			App.WaitForElement(ButtonId);
+			App.ClickPress(ButtonId);
+
+			await Task.Delay(200);
+
+			// Button should be unloaded, so we should see the success label
+			App.WaitForElement(SuccessId);
+		}
+	}
+}
+#endif

src/TestUtils/src/UITest.Appium/Actions/AppiumMouseActions.cs

@@ -16,6 +16,7 @@ public class AppiumMouseActions : ICommandExecutionGroup
 		const string DoubleClickCommand = "doubleClick";
 		const string DoubleClickCoordinatesCommand = "doubleClickCoordinates";
 		const string LongPressCommand = "longPress";
+		const string ClickPressCommand = "clickPress";
 
 		readonly AppiumApp _appiumApp;
 
@@ -26,6 +27,7 @@ public class AppiumMouseActions : ICommandExecutionGroup
 			DoubleClickCommand,
 			DoubleClickCoordinatesCommand,
 			LongPressCommand,
+			ClickPressCommand
 		};
 
 		public AppiumMouseActions(AppiumApp appiumApp)
@@ -47,6 +49,7 @@ public CommandResponse Execute(string commandName, IDictionary<string, object> p
 				DoubleClickCommand => DoubleClick(parameters),
 				DoubleClickCoordinatesCommand => DoubleClickCoordinates(parameters),
 				LongPressCommand => LongPress(parameters),
+				ClickPressCommand => ClickPress(parameters),
 				_ => CommandResponse.FailedEmptyResponse,
 			};
 		}
@@ -169,6 +172,21 @@ CommandResponse DoubleClick(IDictionary<string, object> parameters)
 			return CommandResponse.SuccessEmptyResponse;
 		}
 
+		CommandResponse ClickPress(IDictionary<string, object> parameters)
+		{
+			var element = GetAppiumElement(parameters["element"]);
+
+			OpenQA.Selenium.Appium.Interactions.PointerInputDevice touchDevice = new OpenQA.Selenium.Appium.Interactions.PointerInputDevice(PointerKind.Mouse);
+			var sequence = new ActionSequence(touchDevice, 0);
+			sequence.AddAction(touchDevice.CreatePointerMove(element, 0, 0, TimeSpan.FromMilliseconds(5)));
+
+			sequence.AddAction(touchDevice.CreatePointerDown(PointerButton.TouchContact));
+			sequence.AddAction(touchDevice.CreatePause(TimeSpan.FromMilliseconds(250)));
+			_appiumApp.Driver.PerformActions(new List<ActionSequence> { sequence });
+
+			return CommandResponse.SuccessEmptyResponse;
+		}
+
 		CommandResponse DoubleClickCoordinates(float x, float y)
 		{
 			OpenQA.Selenium.Appium.Interactions.PointerInputDevice touchDevice = new OpenQA.Selenium.Appium.Interactions.PointerInputDevice(PointerKind.Mouse);

src/TestUtils/src/UITest.Appium/HelperExtensions.cs

@@ -68,6 +68,20 @@ public static void RightClick(this IApp app, string element)
 			});
 		}
 
+		/// <summary>
+		/// Performs a mouse down/press on the matched element, without a matching release
+		/// </summary>
+		/// <param name="app"></param>
+		/// <param name="element"></param>
+		public static void ClickPress(this IApp app, string element)
+		{
+			var uiElement = FindElement(app, element);
+			uiElement.Command.Execute("clickPress", new Dictionary<string, object>()
+			{
+				{ "element", uiElement }
+			});
+		}
+
 		public static string? GetText(this IUIElement element)
 		{
 			var response = element.Command.Execute("getText", new Dictionary<string, object>()