#48 – Handling an Application’s Exit Event

You can add code to the Application.Exit event handler to perform miscellaneous tasks that need doing at application shutdown/exit.

<Application x:Class="WpfApplication4.App"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             StartupUri="MainWindow.xaml"
             Exit="Application_Exit">
</Application>

private void Application_Exit(object sender, ExitEventArgs e)
{
    // Perform tasks at application exit
}

The Exit event is fired when the application is shutting down or the Windows session is ending.  It is fired after the SessionEnding event.  You cannot cancel the Exit event.

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