silverlight 綁定之ElementName和Path

看一段代碼你就知道了：

<Window  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"  Width="460" Height="200"  Title="Binding the Properties of Two Controls">  <Window.Resources>    <Style TargetType="TextBlock">      <Setter Property="FontSize" Value="16"/>      <Setter Property="FontWeight" Value="Bold"/>      <Setter Property="DockPanel.Dock" Value="Top"/>      <Setter Property="HorizontalAlignment" Value="Center"/>    </Style>    <Style TargetType="Canvas">      <Setter Property="Height" Value="50"/>      <Setter Property="Width" Value="50"/>      <Setter Property="Margin" Value="8"/>      <Setter Property="DockPanel.Dock" Value="Top"/>    </Style>    <Style TargetType="ComboBox">      <Setter Property="Width" Value="150"/>      <Setter Property="Margin" Value="8"/>      <Setter Property="DockPanel.Dock" Value="Top"/>    </Style>  </Window.Resources>  <Border Margin="10" BorderBrush="Silver" BorderThickness="3" Padding="8">    <DockPanel>      <TextBlock>Choose a Color:</TextBlock>      <ComboBox Name="myComboBox" SelectedIndex="0">        <ComboBoxItem>Green</ComboBoxItem>        <ComboBoxItem>Blue</ComboBoxItem>        <ComboBoxItem>Red</ComboBoxItem>      </ComboBox>      <Canvas>        <Canvas.Background>          <Binding ElementName="myComboBox" Path="SelectedItem.Content"/>        </Canvas.Background>      </Canvas>    </DockPanel>  </Border></Window> 

運行效果：