wdf 控件添加事件处理器(方法)

*在xaml标记语言中添加

//1.标记语言中添加 
 
//2.隐藏代码中添加 
private void Btn_MenuBuy_Click(object sender, System.Windows.RoutedEventArgs e)
{}           

*在隐藏代码中添加

//1.button控件的窗体的xaml标记语言中 添加 
Loaded="ModernWindow_Loaded"
//并在隐藏代码中添加 ModernWindow_Loaded 方法定义
private void ModernWindow_Loaded(object sender, System.Windows.RoutedEventArgs e)
{}
//2.xaml标记语言中添加 

//3.对应的隐藏代码中添加 
Button btn_menu_buy;
//4.隐藏代码中定义事件方法
private void Btn_MenuBuy_Click(object sender, System.Windows.RoutedEventArgs e)
{}
//5.ModerWindow_Loaded 方法中添加对应事件方法
btn_MenuBuy = VisualTreeHelperEx.GetChildObject(this, "btn_MenuBuy");
if(btn_MenuBuy != null)
{
   btn_MenuBuy.Click -= Btn_MenuBuy_Click;
   btn_MenuBuy.Click += Btn_MenuBuy_Click;
 }