Initial WinUI switch.

Wino.Mail.WinUI/Dialogs/MessageSourceDialog.xaml.cs

@@ -0,0 +1,24 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.UI.Xaml.Controls;
+using Wino.Core.Domain.Interfaces;
+using Wino.Mail.WinUI;
+
+
+namespace Wino.Mail.Dialogs;
+
+public sealed partial class MessageSourceDialog : ContentDialog
+{
+    private readonly IClipboardService _clipboardService = App.Current.Services.GetService<IClipboardService>();
+    public string MessageSource { get; set; }
+    public bool Copied { get; set; }
+    public MessageSourceDialog()
+    {
+        this.InitializeComponent();
+    }
+
+    private void ContentDialog_PrimaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
+    {
+        _clipboardService.CopyClipboardAsync(MessageSource);
+        Copied = true;
+    }
+}