样式中调用方法

前台：

 <Window.Resources>
        <Style TargetType="{x:Type TextBlock}" x:Key="ClickableTextBlockStyle">
            <EventSetter Event="MouseDown" Handler="TextBlock_MouseDown"/>
        </Style>
    </Window.Resources>

        <StackPanel>
      
            
            <TextBlock Tag="1" Text="Customers" Style="{DynamicResource ResourceKey=ClickableTextBlockStyle}"/>
        <TextBlock Tag="2" Text="Appointments"  Style="{DynamicResource ResourceKey=ClickableTextBlockStyle}"/>

后台：

  private void TextBlock_MouseDown(object sender, MouseButtonEventArgs e)
        {
            int id = Int32.Parse(((TextBlock)sender).Tag.ToString());
            MessageBox.Show("you chose id "+id.ToString());
        }