<StackPanel
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
x:Class="WpfApplication1.RoutedEventAddRemoveHandler"
Name="root">
<StackPanel.Resources>
<Style TargetType="{x:Type Button}">
<Setter Property="Height" Value="20"/>
<Setter Property="Width" Value="250"/>
<Setter Property="HorizontalAlignment" Value="Left"/>
</Style>
</StackPanel.Resources>
<TextBlock Name="text1">Clicking the button below</TextBlock>
<Button Name="b1" Click="MakeButton">Make new button and add handler to it</Button>
</StackPanel>
//File:Window.xaml.cs
using System.Windows;
using System.Windows.Controls;
namespace WpfApplication1 {
public partial class RoutedEventAddRemoveHandler {
void MakeButton(object sender, RoutedEventArgs e)
{
Button b2 = new Button();
b2.Content = "New Button";
// You can remove the event handler using "-=" syntax rather than "+=".
b2.Click += new RoutedEventHandler(Onb2Click);
root.Children.Insert(root.Children.Count, b2);
DockPanel.SetDock(b2, Dock.Top);
text1.Text = "click me...";
b1.IsEnabled = false;
}
void Onb2Click(object sender, RoutedEventArgs e)
{
text1.Text = "New Button (b2) Was Clicked!!";
}
}
}
