调用cmd.exe 连接磁盘

public string connectFTP(string vPath, string vUID, string vPassword)
        {
            string errormsg = "";
           Process proc = new Process();
            try
            {
                proc.StartInfo.FileName = "cmd.exe";
                proc.StartInfo.UseShellExecute = false;
                proc.StartInfo.RedirectStandardInput = true;
                proc.StartInfo.RedirectStandardOutput = true;
                proc.StartInfo.RedirectStandardError = true;
                proc.StartInfo.CreateNoWindow = true;
                proc.Start();
                string dosLine = "net use " + vPath + " " + vPassword + " /user:" + vUID;
                proc.StandardInput.WriteLine(dosLine);
                proc.StandardInput.WriteLine("exit");
                while (!proc.HasExited)
                {
                    proc.WaitForExit(1000);
                }
                errormsg = proc.StandardError.ReadToEnd();
                proc.StandardError.Close();
            }
            catch (Exception ex)
            {
                //throw ex;
                //MessageBox.Show(ex.Message);
            }
            finally
            {
                proc.Close();
                proc.Dispose();
            }
            return errormsg;
        }