--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MetroWpf/MetroWpf.Services/Interfaces/IDialogService.cs	Mon Mar 12 23:05:21 2012 +0800
@@ -0,0 +1,15 @@
+namespace MetroWpf.Services.Interfaces
+{
+    public interface IDialogService
+    {
+        bool ShowConfirmation(string title, string text, string extra, params ButtonExtras[] buttonExtras);
+        bool? ShowConfirmationWithCancel(string title, string text, string extra, params ButtonExtras[] buttonExtras);
+
+        void ShowMessage(string title, string text, string extra, params ButtonExtras[] buttonExtras);
+        void ShowWarning(string title, string text, string extra, params ButtonExtras[] buttonExtras);
+        void ShowError(string title, string text, string extra, params ButtonExtras[] buttonExtras);
+
+        string[] GetFileOpenPath(string title, string filter);
+        string GetFileSavePath(string title, string defaultExt, string filter);
+    }
+}