BOOL g_bWillExit = FALSE;



//线程函数

DWORD WINAPI ThreadFunc(PVOID param)

{





while(g_bWillExit == FALSE)

{



if(MessageBox(NULL,_T("退出线程吗？"),_T("这是线程"),MB_YESNO)==IDYES)

{



CmyfirstmfcDlg *pDlg = (CmyfirstmfcDlg*)param;

CButton *pButton = (CButton *)pDlg->GetDlgItem(IDC_BUTTON_THREAD);

pButton->EnableWindow(TRUE);



break;

}



}

return 0;

}



//创建线程

AfxBeginThread((AFX_THREADPROC)ThreadFunc, (LPVOID)this);



CButton *pButton = (CButton *)GetDlgItem(IDC_BUTTON_THREAD);

pButton->EnableWindow(FALSE);





//线程退出

OnClose()

{

g_bWillExit = TRUE;



}