/// <summary>        /// 复制或剪切文件到剪切板        /// </summary>        /// <param name="files">文件路径数组</param>        /// <param name="cut">true:剪切；false: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("PreferredDropEffect",memo);            Clipboard.SetDataObject(data,false);        }