#define MAXREADBUFFERLEN (60 * 1000)

 void CRedirectDlg::OnBnClickedButtonRun()

 {

     // TODO: Add your control notification handler code here

     UpdateData(TRUE);

     CString strCommand, strFileName(_T("Redirect.txt"));

     m_strCommand.TrimRight(_T(" "));

     if (m_strCommand == _T(""))

     {

         return;

     }

     strCommand.Format(_T("cmd.exe /c \"%s\">%s"), m_strCommand, strFileName);

     //创建一个不要出现DOS窗口的、影藏的命令执行线程

     STARTUPINFO si;

     ZeroMemory(&si, sizeof(si));

     si.cb = sizeof(STARTUPINFO);

     si.wShowWindow = SW_HIDE;

     si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;

     PROCESS_INFORMATION pi;

     BOOL res = CreateProcess(NULL, strCommand.GetBuffer(), NULL, NULL, NULL,

         NORMAL_PRIORITY_CLASS | CREATE_NO_WINDOW, NULL, NULL, &si, &pi);

     if (!res)

     {

         AfxMessageBox(_T("创建线程出错。"));

         return;

     }

     //等待进程执行完毕

     WaitForSingleObject(pi.hProcess, INFINITE);

     //如果打开文件失败，则有可能文件仍在使用中，可以多次读取

     TCHAR szBuff[MAXREADBUFFERLEN] = {  };

     BOOL bSuccess = FALSE;

     try

     {

         CFile file;

         if (file.Open(strFileName, CFile::modeReadWrite, NULL))

         {

             file.Read((TCHAR*)szBuff, MAXREADBUFFERLEN);

             file.Close();

             bSuccess = TRUE;

         }

     }

     catch (CFileException e)

     {

         Sleep();

     }

     //如果打开文件成功，则删除临时文件，并显示出结果

     if (bSuccess)

     {

         DeleteFile(strFileName);

         m_strResult.Format(_T("%s"), (TCHAR*)szBuff);

     }

     else

     {

         AfxMessageBox(_T("程序执行出错。"), MB_ICONERROR | MB_OK);

     }

     UpdateData(FALSE);

 }