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        private void ShouCangMenuItem()                 //动态生成收藏夹菜单
        {
           try
           {
               string favorfolder = Environment.GetFolderPath(Environment.SpecialFolder.Favorites);        //获取系统收藏夹路径
               ListFiles(收藏夹ToolStripMenuItem, new DirectoryInfo(favorfolder));
           }
           catch (System.Exception ex)
           {
               throw ex;
           }
           
        }

        public void ListFiles(ShouCangJiaMenuItem toolstripmenuitem,FileSystemInfo info)             //生成收藏夹菜单的函数，递归使用
        {          
            if (!info.Exists) return;
            DirectoryInfo dir = info as DirectoryInfo;
            //不是目录
            if (dir == null) return;

            FileSystemInfo[] files = dir.GetFileSystemInfos();
            ShouCangJiaMenuItem[] ShouCangsMenuItem = new ShouCangJiaMenuItem[files.Length];
            for (int i = 0; i < files.Length; i++)
            {

                FileInfo file = files[i] as FileInfo;
               // ShouCangsMenuItem[i].AutoSize = false;
                //是文件
                if (file !=null)
                {
                    ShouCangsMenuItem[i] = new ShouCangJiaMenuItem(file.Name,file.FullName);
                    ShouCangsMenuItem[i].Click += new EventHandler(ShouCangsMenuItem_Click);
                  
                   //ShouCangsMenuItem[i].ToolTipText = GetMenuItemToolTipText(file.Name, file.FullName);
                    //ShouCangsMenuItem[i].AutoSize = false;
                    //把获得的URL赋值给菜单工具提示文本
                    toolstripmenuitem.DropDownItems.Add(ShouCangsMenuItem[i]); 
                }               
                //对于子目录，进行递归调用
                else
                {
                    DirectoryInfo Direct = files[i] as DirectoryInfo;
                    ShouCangsMenuItem[i] = new ShouCangJiaMenuItem(files[i].Name);
                    //ShouCangsMenuItem[i].Click += new EventHandler(ShouCangsMenuItem_Click);
                    toolstripmenuitem.DropDownItems.Add(ShouCangsMenuItem[i]);
                    ListFiles(ShouCangsMenuItem[i], new DirectoryInfo(Direct.FullName));   //递归使用，生成子菜单
                }
            }
          
        }