_beginthread woes. - Won't work for some reason.

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C++

No warnings No errors but no workie either.

I am trying to start a thread to implement a non blocking stopwatch style timer.

_beginthread never calls the function TimerGo and the Handle returned is curiously
0xcccccccc or uninitialized.

Header declaration in private section of CBCRMaster

static void TimerGo(void * p_userdata); 

Thread starter in BCRMaster.cpp

HANDLE hThread = _beginthread((void)TimerGo,0,this);

TimerGo function

void CBCRMaster::TimerGo(void * ParentPtr)
{
 Timer timer;
 while(true) {
     if(timer.elasped(3000)) {
         Beep(1000,1000);
         AfxMessageBox("Times Up!");
     }
  }
}

The timer class FWIW

class Timer {
     clock_t counter;
 public:
     Timer(): counter(0) {};
  
     bool elasped(clock_t ms)
     {
         clock_t tick = clock();
  
         if(tick - counter >= ms)
         {
              counter = tick;
              return true;
         }
  
         return false;
     }
 };