MFC Timer Timer

Knowledge Points: Timer timer to create timer destroy timer code test one, create timer UINT SetTimer (HWND hwnd,//Specifies the window handle of the associated timer, which is omitted in the MFC versionUINT nidevent,//Timer IDUINT Uelapse,//time interval unit millisecondsTimerproc Lptimerfunc//Timer callback function address); Timer callback function format void CALLBACK Timerproc (HWND hwnd,//Handle of window for timer messagesUINT umsg,//Wm_timer MessageUINT idevent,//Timer identifierDWORD Dwtime//Current system time); second, destroy timer BOOL KillTimer (HWND hwnd,//Handle of window that installed timerThis parameter will be omitted in the MFC version of UINT Uidevent//Timer identifier); Third, code testing//Live Display current time reference C language 053 lessonstime_t T;time (&t); TM*timeinfo=localtime (&t); M_stime.format (L"%02d:%02d:%02d",timeinfo->tm_hour,timeinfo->tm_min,timeinfo->tm_sec);//Code//Cdialog_timer message handlersvoidCALLBACK EXPORT Timerproc (HWND hwnd,//handle of CWnd that called SetTimerUINT Nmsg,//Wm_timerUINT Nidevent,//Timer IdentificationDWORD Dwtime//System Time                               ){    if(Nidevent==mytimerid)//    {        //Execute CodeTRACE ("my Timerproc%d\n", Dwtime); //Show Current Timetime_t t; Time (&t); TM*timeinfo=localtime (&t); TRACE ("%02d:%02d:%02d",timeinfo->tm_hour,timeinfo->tm_min,timeinfo->tm_sec); }}voidCdialog_timer::onbnclickedbutton1 () {//TODO: Add control notification handler code here//SetTimer (1001,1000,null);//Wm_timerSetTimer (1001, +, Timerproc);//does not produce wm_timer}lresult Cdialog_timer::windowproc (UINT message, WPARAM WPARAM, LPARAM LPARAM) {//TODO: Add private code here and/or call base class//if (message==wm_timer)//{     //if (Wparam==mytimerid)//     // {        //  //Execute Code//TRACE ("1111111111\n"); //  //Show Current Time//time_t t; //Time (&t); //TM *timeinfo=localtime (&t); //M_stime.format (L "%02d:%02d:%02d", timeinfo->tm_hour,timeinfo->tm_min,timeinfo->tm_sec); //UpdateData (FALSE); // }  //}    returncdialog::windowproc (Message, WParam, LParam);}voidCdialog_timer::onbnclickedbutton2 () {//TODO: Add control notification handler code hereKillTimer (Mytimerid);//Destroying Timers}voidCdialog_timer::ontimer (uint_ptr nidevent) {//TODO: Add Message Handler code and/or call default values here    if(Nidevent==mytimerid)//         {          //Execute CodeTRACE ("1111111111\n"); //Show Current Timetime_t t; Time (&t); TM*timeinfo=localtime (&t); M_stime.format (L"%02d:%02d:%02d",timeinfo->tm_hour,timeinfo->tm_min,timeinfo->tm_sec); UpdateData (false); } cdialog::ontimer (nidevent);}

MFC Timer Timer