Use RadioButton to control TextBox alignment : RadioButton Event « Windows Presentation Foundation « C# / CSharp Tutorial






<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="300" Width="300">
    <StackPanel>
        <TextBox AcceptsReturn="True" Height="100" IsReadOnly="True" 
                 Name="textBox1" TextAlignment="Left" TextWrapping="Wrap" 
                 VerticalScrollBarVisibility="Auto">
            Default starting text.
        </TextBox>
        <Grid>
            <Grid.ColumnDefinitions>
                <ColumnDefinition/>
                <ColumnDefinition/>
                <ColumnDefinition/>
            </Grid.ColumnDefinitions>
            <RadioButton Checked="AlignmentChecked" Grid.Column="0" 
                         HorizontalAlignment="Center" IsChecked="True"
                         Margin="5" Name="leftAlignRadioButton">
                Left</RadioButton>
            <RadioButton Checked="AlignmentChecked" Grid.Column="1" 
                         HorizontalAlignment="Center" Margin="5"
                         Name="centerAlignRadioButton">
                Center</RadioButton>
            <RadioButton Checked="AlignmentChecked" Grid.Column="2" 
                         HorizontalAlignment="Center" Margin="5"
                         Name="rightAlignRadioButton">
                Right</RadioButton>
        </Grid>
    </StackPanel>
</Window>
//File:Window.xaml.cs
using System.Windows;
using System.Windows.Controls;

namespace WpfApplication1
{
    public partial class Window1 : Window
    {
        public Window1()
        {
            InitializeComponent();
        }
        private void AlignmentChecked(object sender, RoutedEventArgs e)
        {
            RadioButton button = e.OriginalSource as RadioButton;

            if (e.OriginalSource == leftAlignRadioButton)
            {
                textBox1.TextAlignment = TextAlignment.Left;
            }
            else if (e.OriginalSource == centerAlignRadioButton)
            {
                textBox1.TextAlignment = TextAlignment.Center;
            }
            else if (e.OriginalSource == rightAlignRadioButton)
            {
                textBox1.TextAlignment = TextAlignment.Right;
            }

            textBox1.Focus();
        }
    }
}
WPF Use Radio Button To Control Text Box Alignment








24.22.RadioButton Event
24.22.1.RadioButton click eventRadioButton click event
24.22.2.Use RadioButton to control TextBox alignmentUse RadioButton to control TextBox alignment
24.22.3.RadioButton checked event handlerRadioButton checked event handler