可回顯的調用方法：

這個方法步驟比較復雜，是通過創建一個新進程來模擬cmd命令行，將寫命令行和回顯通過管道的方式呈現。
例如：

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1.? void?CTestMFCDlg::OnOK()???

2.? {??

3.? ????//?TODO:?Add?extra?validation?here??

4.? ????SECURITY_ATTRIBUTES?sa;??

5.? ????HANDLE?hRead,hWrite;??

6.? ??

7.? ????sa.nLength?=?sizeof(SECURITY_ATTRIBUTES);??

8.? ????sa.lpSecurityDescriptor?=?NULL;??

9.? ????sa.bInheritHandle?=?TRUE;??

10.??

11.????if(!CreatePipe(&hRead,&hWrite,&sa,0))??

12.????{??

13.????????MessageBox("CreatePipe?Failed");??

14.????????return;??

15.????}??

16.??

17.????STARTUPINFO?si;??

18.????PROCESS_INFORMATION?pi;??

19.??

20.????ZeroMemory(&si,sizeof(STARTUPINFO));??

21.????si.cb?=?sizeof(STARTUPINFO);??

22.????GetStartupInfo(&si);??

23.????si.hStdError?=?hWrite;??

24.????si.hStdOutput?=?hWrite;??

25.????si.wShowWindow?=?SW_HIDE;??

26.????si.dwFlags?=?STARTF_USESTDHANDLES?|?STARTF_USESHOWWINDOW;??

27.??

28.????char?cmdline[200];??

29.????CString?tmp,stredit2;??

30.????GetDlgItemText(IDC_EDIT_CMD,stredit2);??

31.????tmp.Format("cmd?/C?%s",stredit2);??

32.????sprintf(cmdline,"%s",tmp);??

33.??

34.????if(!CreateProcess(NULL,cmdline,NULL,NULL,TRUE,NULL,NULL,NULL,&si,&pi))??

35.????{??

36.????????MessageBox("CreateProcess?failed!");??

37.????????return;??

38.????}??

39.????CloseHandle(hWrite);??

40.??

41.????char?buffer[4096]?=?{0};??

42.????CString?strOutput;??

43.????DWORD?bytesRead;??

44.??

45.????while(1)??

46.????{??

47.????????if(NULL?==?ReadFile(hRead,buffer,4095,&bytesRead,NULL))??

48.????????{??

49.???????????break;??

50.????????}??

51.????????strOutput?+=?buffer;??

52.????????SetDlgItemText(IDC_EDIT_TEXT,strOutput);??

53.????????UpdateWindow();??

54.????????Sleep(1000);??

55.????}??

56.????CloseHandle(hRead);??

57.}??

以上是在一個MFC中點擊OnOK按鈕后，將IDC_EDIT_CMD編輯框中的命令執行，并將1秒內cmd命令的回顯答應到IDC_EDIT_TEXT編輯框中的實現。

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