RadioButton

 

在RadioButton中，唯一要说的说是GroupName，当有这个属性时，可以指定同一个容器中的组，如果没有这个参属性，默认当所有RadioButton都以这个容器为一组。

XAML代码：
<TextBlock Margin="10,10,3,73.778" Grid.Column="0" Grid.Row="0" FontSize="24"

        >RadioButton</TextBlock>

<DockPanel Margin="10,57.56,3,38.338" Grid.Column="0"/>     

<DockPanel Margin="10,46.197,3,24.261" Grid.Column="0">

    <TextBlock Name="txtb" FontSize="12">Click a radio button.</TextBlock>

<StackPanel>     

    <RadioButton Name="rb1" Checked="WriteText2">Yes</RadioButton>

    <RadioButton Name="rb2" Checked="WriteText2">No</RadioButton>

    <RadioButton Name="rb3" Checked="WriteText2">No opinion</RadioButton>

</StackPanel>

</DockPanel>

<DockPanel Margin="10,0,3,0" Grid.Column="0" VerticalAlignment="Bottom" Height="63.84">

<TextBlock FontSize="12">Choose color and number.</TextBlock>

<StackPanel>

    <RadioButton GroupName="colorgrp">Red</RadioButton>

    <RadioButton GroupName="colorgrp">Blue</RadioButton>

    <RadioButton GroupName="numgrp">1</RadioButton>

    <RadioButton GroupName="numgrp">2</RadioButton>

</StackPanel>

</DockPanel>

 CS代码：

         void WriteText2(object sender, RoutedEventArgs e)

      {

               RadioButton li = (sender as RadioButton);

                txtb.Text = "You clicked " + li.Content.ToString() + ".";

        }