system.ComponentModel.Win32Exception (0x80004005): 目录名无效。 解决方法

  /// <summary>
        /// 执行Cmd命令
        /// </summary>
        /// <param name="workingDirectory">要启动的进程的目录</param>
        /// <param name="command">要执行的命令</param>
        private void StartCmd(String workingDirectory, String command)
        {
            Process p = new Process();
            p.StartInfo.FileName = "cmd.exe";
            p.StartInfo.WorkingDirectory = workingDirectory;
            p.StartInfo.UseShellExecute = false;
            p.StartInfo.RedirectStandardInput = true;
            p.StartInfo.RedirectStandardOutput = true;
            p.StartInfo.RedirectStandardError = true;
            p.StartInfo.CreateNoWindow = true;
            p.Start();
            p.StandardInput.WriteLine(command);
            //p.StandardInput.WriteLine("exit");
        }