TextBox MouseLeftButtonDown action and PreviewMouseLeftButtonDown action : TextBox Action « Windows Presentation Foundation « C# / CSharp Tutorial






<Window x:Class="TunnelingBubbling.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="TunnelingBubbling">
  
    <Grid MouseLeftButtonDown="MouseDownGrid"
          PreviewMouseLeftButtonDown="PreviewMouseDownGrid"
      Width="300" Height="300">

    <Button PreviewMouseLeftButtonDown="PreviewMouseDownButton"
      MouseLeftButtonDown="MouseDownButton"
      Click="MyClickEvent"
      Name="btnGo">

      <TextBox MouseLeftButtonDown="MouseLeftButtonDown"
        PreviewMouseLeftButtonDown="PreviewMouseLeftButtonDown"
        Width="200" Height="30" Name="textBox1">
      </TextBox>
    </Button>
  </Grid>  
</Window>
//File:Window.xaml.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Diagnostics;

namespace TunnelingBubbling
{
    public partial class Window1 : System.Windows.Window
    {

        public Window1()
        {
            InitializeComponent();
        }

        private void PreviewMouseDownGrid(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("PreviewMouseDownGrid");
        }

        private void PreviewMouseDownButton(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("PreviewMouseDownButton");
        }

        private void PreviewMouseLeftButtonDown(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("PreviewMouseLeftButtonDown");
        }

        private void MyClickEvent(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("MyClickEvent");
        }

        private void MouseLeftButtonDown(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("MouseLeftButtonDown");
        }

        private void MouseDownButton(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("MouseDownButton");
        }

        private void MouseDownGrid(object sender, RoutedEventArgs e)
        {
            Debug.WriteLine("MouseDownGrid");
        }

    }
}
WPF Text Box Mouse Left Button Down Action And Preview Mouse Left Button Down Action








24.14.TextBox Action
24.14.1.React to TextBox focus eventReact to TextBox focus event
24.14.2.TextBox MouseLeftButtonDown action and PreviewMouseLeftButtonDown actionTextBox MouseLeftButtonDown action and PreviewMouseLeftButtonDown action
24.14.3.Listen to TextBox text changed eventListen to TextBox text changed event
24.14.4.Handler for the PreviewKeyDown event on the TextBoxHandler for the PreviewKeyDown event on the TextBox
24.14.5.TextBox PreviewKeyDownTextBox PreviewKeyDown
24.14.6.TextBox KeyDown actionTextBox KeyDown action
24.14.7.TextBox PreviewKeyUpTextBox PreviewKeyUp
24.14.8.TextBox KeyUpTextBox KeyUp
24.14.9.TextBox TextInput eventTextBox TextInput event
24.14.10.TextBox PreviewTextInputTextBox PreviewTextInput
24.14.11.TextBox PreviewKeyDown, PreviewKeyUp, PreviewTextInput, KeyDown, KeyUp and TextChanged eventsTextBox PreviewKeyDown, PreviewKeyUp, PreviewTextInput, KeyDown, KeyUp and TextChanged events