Shut down the application in Window closing event
<Window x:Class="WpfApplication1.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:system="clr-namespace:System.Windows;assembly=PresentationFramework"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Main Window" Height="310" Width="280" Closing="Window1_Closing">
</Window>
//File:Window.xaml.vb
Imports System
Imports System.Collections.Generic
Imports System.ComponentModel
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Documents
Imports System.Windows.Media
Namespace WpfApplication1
Public Partial Class Window1
Inherits Window
Public Sub New()
InitializeComponent()
End Sub
Private Sub Window1_Closing(sender As Object, e As CancelEventArgs)
Application.Current.Shutdown()
End Sub
End Class
End Namespace
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