[Windows] Correct enter/esc keypress behaviors for MessageDialog (#292)

diff --git a/Xamarin.Forms.Platform.WinRT/Platform.cs b/Xamarin.Forms.Platform.WinRT/Platform.cs
index 99e51e4..a0b1ca5 100644 (file)
--- a/Xamarin.Forms.Platform.WinRT/Platform.cs
+++ b/Xamarin.Forms.Platform.WinRT/Platform.cs
@@ -738,13 +738,13 @@ namespace Xamarin.Forms.Platform.WinRT
                        if (options.Accept != null)
                        {
                                dialog.Commands.Add(new UICommand(options.Accept));
-                               dialog.DefaultCommandIndex = (uint)dialog.Commands.Count - 1;
+                               dialog.DefaultCommandIndex = 0;
                        }
 
                        if (options.Cancel != null)
                        {
                                dialog.Commands.Add(new UICommand(options.Cancel));
-                               dialog.CancelCommandIndex = 0;
+                               dialog.CancelCommandIndex = (uint)dialog.Commands.Count - 1;
                        }
 
                        IUICommand command = await dialog.ShowAsync();