feat: NeedsFrame porperty for SampleAttribute

src/SamplesApp/SamplesApp.UnitTests.Shared/Controls/UITests/Presentation/SampleChooserViewModel.cs

@@ -22,6 +22,7 @@
 
 #if HAS_UNO
 using Uno.Foundation.Logging;
+using MUXControlsTestApp;
 #else
 using Microsoft.Extensions.Logging;
 using Uno.Logging;
@@ -689,7 +690,8 @@ SampleChooserContent GetContent(TypeInfo type, SampleAttribute attribute)
 					Description = attribute.Description,
 					ControlType = type.AsType(),
 					IgnoreInSnapshotTests = attribute.IgnoreInSnapshotTests,
-					IsManualTest = attribute.IsManualTest
+					IsManualTest = attribute.IsManualTest,
+					UsesFrame = attribute.UsesFrame
 				};
 		}
 
@@ -847,7 +849,6 @@ private async Task<List<SampleChooserContent>> GetFavoriteSamples(CancellationTo
 			}
 		}
 
-
 		/// <summary>
 		/// This method receives a newContent and returns a newly built content. It also adds the content to the settings for the latest ran tests.
 		/// </summary>
@@ -859,10 +860,12 @@ public async Task<object> UpdateContent(CancellationToken ct, SampleChooserConte
 			SampleChanging?.Invoke(this, EventArgs.Empty);
 
 			FrameworkElement container = null;
-			if (typeof(Page).IsAssignableFrom(newContent.ControlType))
-			{
-				// Content is a page, for MUX compatibility we use Frame to navigate to it.
-				// This ensures the Page.Frame property is not null.
+
+			var frameRequested =
+				newContent.UsesFrame &&
+				typeof(Page).IsAssignableFrom(newContent.ControlType);
+			if (frameRequested)
+			{				
 				var frame = new Frame();
 				frame.Navigate(newContent.ControlType);
 				container = frame;

src/SamplesApp/SamplesApp.UnitTests.Shared/Controls/UITests/Views/Controls/SampleChooserContent.cs

@@ -18,6 +18,7 @@ public partial class SampleChooserContent : INotifyPropertyChanged
 		public string Description { get; set; }
 		public bool IgnoreInSnapshotTests { get; internal set; }
 		public bool IsManualTest { get; internal set; }
+		public bool UsesFrame { get; internal set; }
 
 		bool _isFavorite;
 		public bool IsFavorite

src/SamplesApp/SamplesApp.UnitTests.Shared/Controls/UITests/Views/Controls/SampleControlInfoAttribute.cs

@@ -15,7 +15,8 @@ public SampleControlInfoAttribute(
 			Type viewModelType = null,
 			bool ignoreInSnapshotTests = false,
 			string description = null,
-			bool isManualTest = false
+			bool isManualTest = false,
+			bool usesFrame = true
 		)
 			: base(category)
 		{
@@ -24,6 +25,7 @@ public SampleControlInfoAttribute(
 			IgnoreInSnapshotTests = ignoreInSnapshotTests;
 			IsManualTest = isManualTest;
 			Description = description;
+			UsesFrame = usesFrame;
 		}
 
 	}
@@ -89,5 +91,11 @@ public SampleAttribute(params Type[] categories)
 		/// An optional description of the sample. A good practice is to explain the expected result of the sample.
 		/// </summary>
 		public string Description { get; set; }
+
+		/// <summary>
+		/// Set to true if the sample is navigated to using frame navigation.
+		/// </summary>
+		/// <remarks>Defaults to true.</remarks>
+		public bool UsesFrame { get; set; } = true;
 	}
 }