Winform调用系统的剪切，复制，粘贴文件功能

/// <summary>
        /// 复制或剪切文件至剪贴板(方法）
        /// </summary>
        /// <param name="files">需要添加到剪切板的文件路径数组</param>
        /// <param name="cut">是否剪切true为剪切，false为复制</param>
        public static void CopyToClipboard(string[] files, bool cut)
        {
            if (files == null) return;
            IDataObject data = new DataObject(DataFormats.FileDrop, files);
            MemoryStream memo = new MemoryStream(4);
            byte[] bytes = new byte[] { (byte)(cut ? 2 : 5), 0, 0, 0 };
            memo.Write(bytes, 0, bytes.Length);
            data.SetData("Preferred DropEffect", memo);
            Clipboard.SetDataObject(data);
        }

        /// <summary>
        /// 获取剪贴板中的文件列表（方法）
        /// </summary>
        /// <returns>System.Collections.List<string>返回剪切板中文件路径集合</returns>
        public static  List<string> GetClipboardList()
        {
            List<string> clipboardList=new List<string>();
            System.Collections.Specialized.StringCollection sc = Clipboard.GetFileDropList();
            for (int i = 0; i < sc.Count; i++)
            {
                string listfileName = sc[i];
                clipboardList.Add(listfileName);
            }
            return clipboardList;
        }