chore: adding DialogSample for Uno App

e2e/Uno/ModuleA/Dialogs/AlertDialog.xaml

@@ -10,11 +10,9 @@
     d:DesignWidth="400">
 
   <StackPanel>
-    <TextBlock Text="{Binding Title}"
-               FontSize="20"
-               FontWeight="Bold" />
     <TextBlock Text="{Binding Message}" />
     <Button Content="OK"
-            Command="{Binding CloseCommand}" />
+            Command="{Binding CloseCommand}"
+            Margin="0,15"/>
   </StackPanel>
 </UserControl>

e2e/Uno/ModuleA/ModuleAModule.cs

@@ -1,4 +1,6 @@
+using ModuleA.Dialogs;
 using ModuleA.Views;
+using AlertDialog = ModuleA.Dialogs.AlertDialog;
 
 namespace ModuleA;
 
@@ -15,6 +17,7 @@ public class ModuleAModule : IModule
     {
         containerRegistry.RegisterForNavigation<ViewA>();
         containerRegistry.RegisterForNavigation<ViewB>();
+        containerRegistry.RegisterDialog<AlertDialog, AlertDialogViewModel>();
     }
 
     public void OnInitialized(IContainerProvider containerProvider)

e2e/Uno/ModuleA/ViewModels/ViewAViewModel.cs

@@ -1,16 +1,26 @@
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.Windows.Input;
 
 namespace ModuleA.ViewModels;
 
 internal class ViewAViewModel : ViewModelBase
 {
-    public ViewAViewModel(IRegionManager regionManager)
+    private readonly IDialogService _dialogService;
+
+    public ViewAViewModel(IRegionManager regionManager, IDialogService dialogService)
         : base(regionManager)
     {
+        _dialogService = dialogService;
+        ShowAlertCommand = new DelegateCommand(ShowDialog);
+    }
+
+    public ICommand ShowAlertCommand { get; }
+
+    private void ShowDialog()
+    {
+        _dialogService.ShowDialog("AlertDialog", new DialogParameters
+        {
+            { "title", "Oh Snap" },
+            { "message", "You can actually create much more amazing dialogs with Prism. Hello from ViewA!" }
+        });
     }
 }

e2e/Uno/ModuleA/Views/ViewA.xaml

@@ -9,7 +9,8 @@
     d:DesignHeight="300"
     d:DesignWidth="400">
 
-  <Grid>
+  <StackPanel>
     <TextBlock Text="View A" FontSize="72" />
-  </Grid>
+    <Button Content="Show Dialog" Command="{Binding ShowAlertCommand}" />
+  </StackPanel>
 </UserControl>

src/Wpf/Prism.Wpf/Dialogs/IDialogServiceCompatExtensions.cs

@@ -72,43 +72,5 @@ namespace Prism.Dialogs
             return parameters;
         }
 #endif
-        /// <summary>
-        /// Shows a modal dialog.
-        /// </summary>
-        /// <param name="dialogService">The DialogService</param>
-        /// <param name="name">The name of the dialog to show.</param>
-        public static void ShowDialog(this IDialogService dialogService, string name)
-        {
-            dialogService.ShowDialog(name, new DialogParameters(), DialogCallback.Empty);
-        }
-
-        /// <summary>
-        /// Shows a modal dialog.
-        /// </summary>
-        /// <param name="dialogService">The DialogService</param>
-        /// <param name="name">The name of the dialog to show.</param>
-        /// <param name="callback">The action to perform when the dialog is closed.</param>
-        public static void ShowDialog(this IDialogService dialogService, string name, Action<IDialogResult> callback)
-        {
-            dialogService.ShowDialog(name, new DialogParameters(), new DialogCallback().OnClose(callback));
-        }
-
-        /// <summary>
-        /// Shows a modal dialog.
-        /// </summary>
-        /// <param name="dialogService">The DialogService</param>
-        /// <param name="name">The name of the dialog to show.</param>
-        /// <param name="parameters">The parameters to pass to the dialog.</param>
-        /// <param name="callback">The action to perform when the dialog is closed.</param>
-        /// <param name="windowName">The name of the hosting window registered with the IContainerRegistry.</param>
-        public static void ShowDialog(this IDialogService dialogService, string name, IDialogParameters parameters, Action<IDialogResult> callback, string windowName)
-        {
-            parameters ??= new DialogParameters();
-
-            if (!string.IsNullOrEmpty(windowName))
-                parameters.Add(KnownDialogParameters.WindowName, windowName);
-
-            dialogService.ShowDialog(name, parameters, new DialogCallback().OnClose(callback));
-        }
     }
 }