updated the closing logic of the dialog

src/Shared/HandyControlDemo_Shared/ViewModel/Basic/InteractiveDialogViewModel.cs

@@ -6,13 +6,12 @@ using GalaSoft.MvvmLight.Command;
 using GalaSoft.MvvmLight.CommandWpf;       
 #endif
 using HandyControl.Tools.Extension;
-using HandyControlDemo.Data;
 
 namespace HandyControlDemo.ViewModel.Basic
 {
     public class InteractiveDialogViewModel : ViewModelBase, IDialogResultable<string>
     {
-        public Action<string> CloseAction { get; set; }
+        public Action CloseAction { get; set; }
 
         private string _result;
 
@@ -38,6 +37,6 @@ namespace HandyControlDemo.ViewModel.Basic
 #endif
         }
 
-        public RelayCommand CloseCmd => new Lazy<RelayCommand>(() => new RelayCommand(() => CloseAction?.Invoke(MessageToken.MainWindow))).Value;
+        public RelayCommand CloseCmd => new Lazy<RelayCommand>(() => new RelayCommand(() => CloseAction?.Invoke())).Value;
     }
 }

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/DialogDemoViewModel.cs

@@ -9,6 +9,7 @@ using GalaSoft.MvvmLight.CommandWpf;
 #endif
 using HandyControl.Controls;
 using HandyControl.Tools.Extension;
+using HandyControlDemo.Data;
 using HandyControlDemo.UserControl;
 using HandyControlDemo.ViewModel.Basic;
 using HandyControlDemo.Window;
@@ -51,7 +52,7 @@ namespace HandyControlDemo.ViewModel
             }
             else
             {
-                Dialog.Show<TextDialogWithTimer>().GetResultAsync<string>();
+                Dialog.Show<TextDialogWithTimer>(MessageToken.MainWindow).GetResultAsync<string>();
             }
         }
 #else
@@ -68,7 +69,7 @@ namespace HandyControlDemo.ViewModel
             }
             else
             {
-                await Dialog.Show<TextDialogWithTimer>().GetResultAsync<string>();
+                await Dialog.Show<TextDialogWithTimer>(MessageToken.MainWindow).GetResultAsync<string>();
             }
         }
 #endif