Another SetTimer question

Why is it that the following settimer is not working? the call back
function TimerProc_Wrapper is never called after 5 secs?Why? Thanks
for any help rendered.

I want to be able to interrupt the timedelay instead of using the
sleep(5000).
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Inside the testDoc.h

class CTestDoc : public CDocument
{

//UINT MyThreadFunc(LPVOID lParam);
static UINT_PTR m_TestTimer;
static VOID CALLBACK CTestDoc::TestTimerProc( HWND hwnd, UINT uMsg,
                                           UINT idEvent, DWORD
dwTime );

CWinThread* m_WinThread;
UINT_PTR pTimer;
static void * pObject;
static VOID CALLBACK TimerProc_Wrapper( HWND hwnd, UINT uMsg,
                                  UINT idEvent, DWORD dwTime );
  VOID CALLBACK TimerProc( HWND hwnd,
                       UINT uMsg, UINT idEvent, DWORD dwTime );
void WakeUp();
private:

  CRITICAL_SECTION lock;

}

--------------------------------------------------------------------------------------------------------------------
Inside the testDoc.cpp

VOID CALLBACK CTestDoc::TimerProc_Wrapper( HWND hwnd, UINT uMsg,
                                           UINT idEvent, DWORD
dwTime ) {
 CTestDoc *pSomeClass = (CTestDoc*)pObject; // cast the void pointer
 pSomeClass->TimerProc(hwnd, uMsg, idEvent, dwTime); // call non-
static function
}

VOID CALLBACK CTestDoc::TimerProc(HWND hwnd,
     UINT uMsg, UINT idEvent, DWORD dwTime) {
::EnterCriticalSection(&lock);
if(idEvent == pTimer) {
   KillTimer(NULL, pTimer); // kill the timer so it won't fire again
   MessageBox(NULL,"Timer Killed ",NULL,MB_OK);
   m_WinThread->ResumeThread(); // resume the main thread function
}
::LeaveCriticalSection(&lock);
}

UINT WorkerThreadProc( LPVOID Param ) //Sample function for using in
AfxBeginThread
{
    CTestDoc* lDoc = (CTestDoc*)Param;
    lDoc->pObject = lDoc;
    MessageBox(NULL,"Timer Started",NULL,MB_OK);
    lDoc->pTimer = SetTimer(NULL, NULL, 5000, lDoc->TimerProc_Wrapper);
    lDoc->m_WinThread->SuspendThread();
    MessageBox(NULL,"Thread Suspended",NULL,MB_OK);
   return TRUE;
}
void CTestDoc::OnTestTest1()
{
    // TODO: Add your command handler code here

    m_WinThread =
AfxBeginThread(WorkerThreadProc,this,THREAD_PRIORITY_NORMAL,0,0,NULL);

    MessageBox(NULL,"Thread Started",NULL,MB_OK);

}

void CTestDoc::WakeUp() {
  ::EnterCriticalSection(&lock);
  KillTimer(NULL, pTimer);
  MessageBox(NULL,"Timer Killed(wakeup) ",NULL,MB_OK);
  m_WinThread->ResumeThread(); // wake the thread up
::LeaveCriticalSection(&lock);
}