Security Exception : Event « Windows Presentation Foundation « VB.Net






Security Exception

Security Exception
    

<Page x:Class="WpfApplication1.Page1"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Page1">
    <Grid Height="379" Width="361">
    </Grid>
</Page>

//File:Window.xaml.vb
Imports System
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Documents
Imports System.IO

Namespace WpfApplication1
  Public Partial Class Page1
    Inherits Page
    Public Sub New()
      InitializeComponent()

      Dim SW As StreamWriter
      SW = File.CreateText("c:\s.txt")
      SW.WriteLine("A!")
      SW.WriteLine("B")

      SW.Close()
    End Sub

  End Class
End Namespace

   
    
    
    
  








Related examples in the same category

1.Get event sender from eventGet event sender from event
2.Handle the ContentRendered eventHandle the ContentRendered event
3.Find source element of an element in event handler by castingFind source element of an element in event handler by casting
4.Add an event handler to an element using codeAdd an event handler to an element using code
5.Halting event routing with HandledHalting event routing with Handled
6.Throw Handled ExceptionThrow Handled Exception
7.Check handler event senderCheck handler event sender
8.Do event based on button nameDo event based on button name
9.Add event handler to StackPanel in StackPanel resourceAdd event handler to StackPanel in StackPanel resource
10.Add a PropertyChangedValueCallback to Any Dependency PropertyAdd a PropertyChangedValueCallback to Any Dependency Property
11.Handle a Button Click with Shared button click handlerHandle a Button Click with Shared button click handler
12.DispatcherTimer and EventHandlerDispatcherTimer and EventHandler
13.Thumb DragStarted and DragCompleted event handlerThumb DragStarted and DragCompleted event handler
14.Set interval and event handler for DispatcherTimerSet interval and event handler for DispatcherTimer
15.Get the event sender nameGet the event sender name
16.Event firing sequenceEvent firing sequence
17.Cancel event by setting CanExecute and Handled to falseCancel event by setting CanExecute and Handled to false
18.Event sender, event source and event original sourceEvent sender, event source and event original source
19.Cast event sender to a controlCast event sender to a control
20.Fire an event when an element gains and loses focus.Fire an event when an element gains and loses focus.