How to show Notification Message on Shutdown of Application WPF

Question

I made application in which when user will click on close button of MainWindow whole application will shutdown. I want to show a Notification after closing of application. How to show a toast message as application shuts'down? Here Code is :

private void Close(object sender, EventArgs e)
{
     base.OnClosed(e);
     Application.Current.Shutdown();
 }

Can any one answer my question? Feel Free to ask if my question is not clear!

Why not hide the visibility of your application, show your notification, then shutdown? — jamesSampica, Sep 09 '13 at 14:33
What on Earth do you want to notify the user about? He expects your app to close, don't disappoint him. — Hans Passant, Sep 09 '13 at 14:35
possible duplicate of [How to create rich tooltips and rich balloons in notification area](http://stackoverflow.com/questions/8836463/how-to-create-rich-tooltips-and-rich-balloons-in-notification-area) — Mike Perrenoud, Sep 09 '13 at 14:36
I want to show a notification that application has closed! @HansPassant — Tameen Malik, Sep 09 '13 at 14:36
@Shoe the behavior is different. What if the Application fails to shut down after the toaster? Obviously in a simple environment without side effects your solution is the easiest possible. — Francesco De Lisi, Sep 09 '13 at 14:39
@FrancescoDeLisi is there any other better way to do this as it is requirement of my application — Tameen Malik, Sep 09 '13 at 14:42
The user knows that the application shuts down because it disappears. There is absolutely no reason to show a message saying the app has shut down. — 17 of 26, Sep 09 '13 at 17:05
@17of26 There is nothing about reason. it is requirement of application. can you convince your client to stop from something which he/she wants?? — Tameen Malik, Sep 09 '13 at 17:15

score 3 · Answer 1 · edited Sep 09 '13 at 15:04

Try implementing a handler for the Window.Closing event:

private void MainWindow_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
    MessageBox.Show("Hi, I'm closing!");
}

This will occur before the Window.Closed event.

UPDATE >>>

@Andy and Tameen, please take a look at the Window.Closing Event page at MSDN to see when this event really occurs.

Occurs directly after Close is called, and can be handled to cancel window closure.

UPDATE 2 >>>

Your question does not state that you want to cancel the Close event. However, that is exactly what the Closing event is for:

private void MainWindow_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
    MessageBox.Show("Hi, I'm closing!");
    e.Cancel = true;
}

Removed my downvote since the incorrect statement has been removed. Note that when I originally downvoated this text was included "This will occur `after` the Window.Close `event`." Technically there is no Close event, only Closing and Closed. Note that `close event` and `close method` are very different things, which was why I downvoted, since I assumed the text meant `Closed event`, not `Close method`. — Andy, Sep 10 '13 at 12:22

jamesSampica · Answer 2 · 2013-09-09T14:55:46.180

1

Your application shutdowns by default when the mainwindow closes. Allow the button to signal the window close and handle the toast in the Closed event.

<Window ... Closed="Window_Closed" />

private void Button_Click(object sender, RoutedEventArgs e)
{
    this.Close();
}

private void Window_Closed(object sender, EventArgs e)
{
   MessageBox.Show("Cya");
}

edited Sep 09 '13 at 14:55

answered Sep 09 '13 at 14:50

jamesSampica

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How to show Notification Message on Shutdown of Application WPF

2 Answers2