Add event handler to StackPanel in StackPanel resource

    

<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="WPF" Height="150" Width="250">
    <StackPanel>
        <Popup AllowsTransparency="True" Height="100" HorizontalOffset="1cm" Name="myPopup" 
                   Placement="Right" StaysOpen="True" Width="200" >
            <Border BorderBrush="Black" BorderThickness="2">
                <DockPanel Background="White" LastChildFill="True">
                    <TextBlock Background="AliceBlue" DockPanel.Dock="Top" 
                                   FontSize="16" HorizontalAlignment="Stretch" 
                                   Margin="5" Text="A WPF Popup" />
                        <Button Click="btnClosePopup_Click" Content="Close" 
                                DockPanel.Dock="Bottom" Margin="5" 
                                HorizontalAlignment="Right" MaxHeight="23"/>
                        <Image DockPanel.Dock="Top" Margin="5" 
                               Source="c:\image.gif" />
                    </DockPanel>
            </Border>
        </Popup>
        <StackPanel>
            <StackPanel.Resources>
                <Style TargetType="{x:Type Button}">
                    <Setter Property="Margin" Value="2" />                        
                    <EventSetter Event="Click" Handler="btnShowPopup_Click" />
                </Style>
            </StackPanel.Resources>
            <Button Content="Show Popup" Name="btnShowPopup" />
        </StackPanel>
    </StackPanel>
</Window>

//File:Window.xaml.vb
Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Text
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Data
Imports System.Windows.Documents
Imports System.Windows.Input
Imports System.Windows.Media
Imports System.Windows.Media.Imaging
Imports System.Windows.Navigation
Imports System.Windows.Shapes
Imports System.Windows.Controls.Primitives

Namespace WpfApplication1
  Public Partial Class Window1
    Inherits Window
    Public Sub New()
      InitializeComponent()
    End Sub

    Private Sub btnClosePopup_Click(sender As Object, e As RoutedEventArgs)
      myPopup.IsOpen = False
    End Sub

    Private Sub btnShowPopup_Click(sender As Object, e As RoutedEventArgs)

      myPopup.IsOpen = True
    End Sub
  End Class
End Namespace

1.	Get event sender from event
2.	Handle the ContentRendered event
3.	Find source element of an element in event handler by casting
4.	Add an event handler to an element using code
5.	Halting event routing with Handled
6.	Security Exception
7.	Throw Handled Exception
8.	Check handler event sender
9.	Do event based on button name
10.	Add a PropertyChangedValueCallback to Any Dependency Property
11.	Handle a Button Click with Shared button click handler
12.	DispatcherTimer and EventHandler
13.	Thumb DragStarted and DragCompleted event handler
14.	Set interval and event handler for DispatcherTimer
15.	Get the event sender name
16.	Event firing sequence
17.	Cancel event by setting CanExecute and Handled to false
18.	Event sender, event source and event original source
19.	Cast event sender to a control
20.	Fire an event when an element gains and loses focus.

Add event handler to StackPanel in StackPanel resource : Event « Windows Presentation Foundation « VB.Net

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