Throw Application event from button click event handler : Application « Windows Presentation Foundation « VB.Net Tutorial






<Window x:Class="PreventSessionEnd.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="PreventSessionEnd" Height="300" Width="300"
    >
    <Grid Margin="5">
      <Button Click="cmdException_Click">Throw an Unhandled Exception</Button>
    </Grid>
</Window>


//File:Window.xaml.vb
Imports System
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Data
Imports System.Windows.Documents
Imports System.Windows.Media
Imports System.Windows.Media.Imaging
Imports System.Windows.Shapes


Namespace PreventSessionEnd

  Public Partial Class Window1
    Inherits Window

    Public Sub New()
      InitializeComponent()
    End Sub

    Private Sub cmdException_Click(sender As Object, e As RoutedEventArgs)
      Throw New ApplicationException("You clicked a bad button.")
    End Sub
  End Class
End Namespace
WPF Throw Application Event From Button Click Event Handler








16.120.Application
16.120.1.Application Exit eventApplication Exit event
16.120.2.Store the variable in the application and get it backStore the variable in the application and get it back
16.120.3.Throw Application event from button click event handlerThrow Application event from button click event handler
16.120.4.Shut down the application in Window closing eventShut down the application in Window closing event
16.120.5.(ResourceDictionary)Application.LoadComponent(ResourceDictionary)Application.LoadComponent
16.120.6.Application.GetResourceStreamApplication.GetResourceStream
16.120.7.Get a handle to the current app and shut it downGet a handle to the current app and shut it down
16.120.8.Set and get data from Application.Current.PropertiesSet and get data from Application.Current.Properties
16.120.9.Using GetContentStreamUsing GetContentStream
16.120.10.Create and retrieve cookies from a Windows Presentation Foundation (WPF) application using SetCookie and GetCookie.Create and retrieve cookies from a Windows Presentation Foundation (WPF) application using SetCookie and GetCookie.