C / C++ / MFC

Naveen wrote:

The first mutexunlock ( I guess mutexunlock is internally calling ReleaseMutex()) will release the mutex

ptr_Electron wrote:

Can not put the length process in thread.

void DoEvents()
{
	MSG m;
	while (::PeekMessage(&m, NULL, 0, 0, PM_REMOVE))
	{
		::TranslateMessage(&m);
		::DispatchMessage(&m);
	}
}

ptr_Electron wrote:

Sleep(100); // Try to minimize CPU usage

HANDLE timer = CreateWaitableTimer(0,false,0);
    LARGE_INTEGER li;
    const int unitsPerSecond=10*1000*1000; // 100 nano seconds
	li.QuadPart=-(2*unitsPerSecond);
    SetWaitableTimer(timer,&li,350,0,0,false);
   _beginthreadex(0,0,TF,(void*) timer,0,0); // call


unsigned __stdcall TF(void* arg) // def
 {
  HANDLE timer=(HANDLE) arg;

  while (1)
  {
	  if(iStoped==0)
		  return 0;
    WaitForSingleObject(timer,INFINITE);
	//PostMessage(hwnd1,WM_USER_THREAD_UPDATE_PROGRESS1, 0, 100);
	prgBar->StepIt(); // prg bar is progressing
        DoEvents(); // this is not working, UI is frized
  }

_endthread();
return 0;
}



void DoEvents() 
{
      MSG oMSG;
      while(::PeekMessage(&oMSG, NULL, 0, 0, PM_NOREMOVE))
      { 
                  ::TranslateMessage(&oMSG);
                  ::DispatchMessage(&oMSG);
       }
}