update to v1.4.0

HandyControlDemo/ViewModel/ViewModelLocator.cs

@@ -19,6 +19,7 @@ namespace HandyControlDemo.ViewModel
             SimpleIoc.Default.Register<ImageBrowserDemoViewModel>();
             SimpleIoc.Default.Register<ComboBoxDemoViewModel>();
             SimpleIoc.Default.Register<WindowDemoViewModel>();
+            SimpleIoc.Default.Register<NoUserContentViewModel>();
         }
 
         public static ViewModelLocator Instance => new Lazy<ViewModelLocator>(() =>
@@ -36,6 +37,8 @@ namespace HandyControlDemo.ViewModel
 
         public WindowDemoViewModel WindowDemo => ServiceLocator.Current.GetInstance<WindowDemoViewModel>();
 
+        public NoUserContentViewModel NoUserContent => ServiceLocator.Current.GetInstance<NoUserContentViewModel>();
+
         #endregion
     }
 }