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24.13.8.TextBox Selection start, end and selected text |
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<Window x:Class="ClassicControls.TextBoxTest"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="TextBoxTest" Height="325" Width="390">
<Grid Margin="5">
<Grid.RowDefinitions>
<RowDefinition Height="2*"></RowDefinition>
<RowDefinition Height="*"></RowDefinition>
</Grid.RowDefinitions>
<TextBox Name="txt" VerticalScrollBarVisibility="Auto" TextWrapping="Wrap" AcceptsReturn="True"
SelectionChanged="txt_SelectionChanged"
SpellCheck.IsEnabled="True">this is a test</TextBox>
</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;
namespace ClassicControls
{
public partial class TextBoxTest : System.Windows.Window
{
public TextBoxTest()
{
InitializeComponent();
}
private void txt_SelectionChanged(object sender, RoutedEventArgs e)
{
Console.WriteLine(txt.SelectionStart);
Console.WriteLine(txt.SelectionLength);
Console.WriteLine(txt.SelectedText);
}
}
}
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