improved dialog

src/Shared/HandyControlDemo_Shared/UserControl/Controls/DialogDemoCtl.xaml

@@ -11,6 +11,7 @@
             <Button Content="{x:Static langs:Lang.TextDialog}" Command="{Binding ShowTextCmd}" />
             <TextBox Margin="0,32,0,0" Text="{Binding DialogResult,UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource TextBoxExtend}" controls:InfoElement.Placeholder="{x:Static langs:Lang.PleaseInput}"/>
             <Button Margin="0,10,0,0" Content="{x:Static langs:Lang.InteractiveDialog}" Command="{Binding ShowInteractiveDialogCmd}"/>
+            <Button Margin="0,32,0,0" Content="{x:Static langs:Lang.NewWindow}" Command="{Binding NewWindowCmd}"/>
         </StackPanel>
     </controls:TransitioningContentControl>
 </UserControl>