Add a PropertyChangedValueCallback to Any Dependency Property : DependencyPropertyDescriptor « Windows Presentation Foundation « C# / C Sharp

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C# / C Sharp » Windows Presentation Foundation » DependencyPropertyDescriptorScreenshots 
Add a PropertyChangedValueCallback to Any Dependency Property
Add a PropertyChangedValueCallback to Any Dependency Property
  
<Window x:Class="WpfApplication1.Window1"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Title=" " Height="300" Width="300" Loaded="Window1_Loaded">
  <Grid>
    <Viewbox>
      <TextBox x:Name="tbxEditMe" Text="Edit Me..." />
    </Viewbox>      
  </Grid>
</Window>


//File:Window.xaml.cs
using System;
using System.ComponentModel;
using System.Windows;
using System.Windows.Controls;

namespace WpfApplication1
{
    public partial class Window1 : Window
    {
        public Window1()
        {
            InitializeComponent();
        }

        private void Window1_Loaded(object sender, RoutedEventArgs e)
        {
            DependencyPropertyDescriptor descriptor = DependencyPropertyDescriptor.FromProperty(TextBox.TextProperty, typeof(TextBox));
            descriptor.AddValueChanged(tbxEditMe, tbxEditMe_TextChanged);
            
        }

        private void tbxEditMe_TextChanged(object sender, EventArgs e)
        {
            MessageBox.Show("""changed");
        }
    }
}

   
    
  
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