silverlight 制作可拖动控件，并且在控件上添加右键菜单

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Interactivity;
using Microsoft.Expression.Interactivity;
using Microsoft.Expression.Interactivity.Layout;
using System.Windows.Browser;



namespace testControlMove
{
    public partial class Rec : UserControl
    {

       public double x = 0;
       public double y = 0;
        public Rec()
        {
            InitializeComponent();
            BindMenu(image1);
        }

        MouseDragElementBehavior dragBehavior = new MouseDragElementBehavior();
        private bool isDrag;

        /// <summary>  
        /// 是否允许被拖拽和鼠标右键
        /// </summary>  
        public bool IsDrag
        {
            get { return isDrag; }
            set
            {
                isDrag = value;
                if (isDrag == true)
                {
                    dragBehavior.Attach(this);                                                      //将本对象加入到可以鼠标拖动的行为对象中去  
                    dragBehavior.DragFinished += new MouseEventHandler(dragBehavior_DragFinished);  //在对象移动成功之后加载一个处理事件。  
                    
                }
                else if (isDrag == false)
                {
                    try
                    {

                        dragBehavior.Detach();                                                      //设置本控件移动行为取消，并且取消DragFinished处理事件
                        dragBehavior.DragFinished -= new MouseEventHandler(dragBehavior_DragFinished);
                    }
                    catch
                    {

                    }
                }

            }
        }

        /// <summary>  
        /// 被拖动完成之后触发的事件  
        /// </summary>  
        /// <param name="sender"></param>  
        /// <param name="e"></param>  
        void dragBehavior_DragFinished(object sender, MouseEventArgs e)
        {
            MouseDragElementBehavior dragBehavior = sender as MouseDragElementBehavior;
            this.Tag = dragBehavior.X + "|" + dragBehavior.Y;                                         // this.Tag设置为相应的值  

            x = dragBehavior.X;
            y = dragBehavior.Y;


        }





        protected void BindMenu(Image c)
        {
            ContextMenu cm = new ContextMenu();//新建右键菜单
            MenuItem mi = new MenuItem();//新建右键菜单项
            mi.Header = "编辑";
            mi.Click += MenuItem1_Click;//为菜单项注册事件      
            cm.Items.Add(mi);

            MenuItem mi2 = new MenuItem();//新建右键菜单项
            mi2.Header = "删除";
            mi2.Click += MenuItem2_Click;//为菜单项注册事件      
            cm.Items.Add(mi2);
            ContextMenuService.SetContextMenu(c, cm);//为控件绑定右键菜单
        }
        private void MenuItem1_Click(object sender, RoutedEventArgs e)
        {
            
            ChildWindow1 child = new ChildWindow1();
            child.Show();

        }

        private void MenuItem2_Click(object sender, RoutedEventArgs e)
        {
            this.Visibility = Visibility.Collapsed;

            

        }

        private void UserControl_MouseRightButtonUp(object sender, MouseButtonEventArgs e)
        {
            e.Handled = true;                       
        }

        private void LayoutRoot_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
        {
            
        }


    }
}