Dialogs when running AnimateImageOverlay sample in x86 (#1531)

Author: williambohrmann3

src/MAUI/Maui.Samples/Samples/SceneView/AnimateImageOverlay/AnimateImageOverlay.xaml.cs

@@ -41,11 +41,18 @@ public partial class AnimateImageOverlay : ContentPage, IDisposable
         public AnimateImageOverlay()
         {
             InitializeComponent();
-            Initialize();
+            _ = Initialize();
         }
 
-        private void Initialize()
+        private async Task Initialize()
         {
+            // This sample is only supported in x64 on .NET MAUI.
+            if (!Environment.Is64BitProcess)
+            {
+                await Application.Current.MainPage.DisplayAlert("Error", "This sample is only supported for .NET MAUI in x64. Run the sample viewer in x64 to use this sample.", "Exit");
+                return;
+            }
+
             // Create the scene.
             MySceneView.Scene = new Scene(BasemapStyle.ArcGISDarkGray);
 
@@ -137,7 +144,7 @@ public void Dispose()
         {
             //Stop the animation when the sample is unloaded.
             _animationStopped = true;
-            _timer.Dispose();
+            _timer?.Dispose();
         }
     }
 }

src/WPF/WPF.Viewer/Samples/SceneView/AnimateImageOverlay/AnimateImageOverlay.xaml.cs

@@ -52,6 +52,12 @@ public AnimateImageOverlay()
 
         private void Initialize()
         {
+            // This sample is only supported in x64 on WPF.
+            if (!Environment.Is64BitProcess)
+            {
+                MessageBox.Show("This sample is only supported for WPF in x64. Run the sample viewer in x64 to use this sample.");
+            }
+
             // Create the scene.
             MySceneView.Scene = new Scene(new Basemap(new Uri("https://www.arcgis.com/home/item.html?id=1970c1995b8f44749f4b9b6e81b5ba45")));
 

src/WinUI/ArcGIS.WinUI.Viewer/Samples/SceneView/AnimateImageOverlay/AnimateImageOverlay.xaml.cs

@@ -53,10 +53,10 @@ public AnimateImageOverlay()
 
         private async Task Initialize()
         {
-            // This sample is only supported in x64 on UWP.
+            // This sample is only supported in x64 on WinUI.
             if (!Environment.Is64BitProcess)
             {
-                await new MessageDialog2("This sample is only supported for UWP in x64. Run the sample viewer in x64 to use this sample.", "Error").ShowAsync();
+                await new MessageDialog2("This sample is only supported for WinUI in x64. Run the sample viewer in x64 to use this sample.", "Error").ShowAsync();
                 return;
             }