C / C++ / MFC

CPallini wrote:

Hey man, do you know:"mai rubare in casa del ladro?"

CPallini wrote:

OT: I supposed you were angry with me, since you never replied my emails.

Iain Clarke wrote:

I trust you to decrypt the post @ bit

#include <windows.h>
#include <iostream>

bool timerFired = false;

VOID CALLBACK completion(LPVOID lpArgToCompletionRoutine,
                           DWORD dwTimerLowValue, 
                           DWORD dwTimerHighValue)
{
   std::cout << "In completion routine\n";
}


int main(int, char**)
{
   if (HANDLE hTimer = CreateWaitableTimer(0, TRUE, 0))
   {
      __int64 due = -1000000LL;
      SetWaitableTimer(hTimer, (LARGE_INTEGER*)&due, 0, &completion, 0, TRUE);
      ::SleepEx(5000, TRUE);
      ::CloseHandle(hTimer);
   }
}

SPK521 wrote:

But it is in the same class na? (I mean CALLBACK function definition in the same class)

SPK521 wrote:

How can we provide the function definiton in another class?
ie when SetWaitableTimer() is executed, the control transfers to the CALLBACK definition in another class? is there any way?

#include <windows.h>
#include <iostream>

class TimerCallbackHandler
{
public:
   void TimerCallback()
   {
      std::cout << "TimerCallbackHandler::TimerCallback" << std::endl;
   }
   static VOID CALLBACK completion(LPVOID lpArgToCompletionRoutine,
                                   DWORD dwTimerLowValue, 
                                   DWORD dwTimerHighValue)
   {
      ((TimerCallbackHandler*)lpArgToCompletionRoutine)->TimerCallback();
   }
};

int main(int, char**)
{
   if (HANDLE hTimer = CreateWaitableTimer(0, TRUE, 0))
   {
      TimerCallbackHandler a;
      __int64 due = -1000000LL;
      SetWaitableTimer(hTimer, (LARGE_INTEGER*)&due, 0, 
                       &TimerCallbackHandler::completion, (LPVOID)&a, TRUE);
      ::SleepEx(5000, TRUE);
      ::CloseHandle(hTimer);
   }
}