C / C++ / MFC

<br />
class MyAppView : public CScrollView<br />
{<br />
...<br />
   CMax * mMax;   // A class containing a Dialog and a function <br />
                  // that will become a WorkerThread<br />
                  // The dialog is created Dynamic and mMax excists while<br />
                  // the the View excists<br />
<br />
   bool maxbreak; // this is set to true from the View <br />
                  // the WorkerThread should terminate when set to true<br />
<br />
   CWinThread * maxID;  // handle to the workerthread<br />
...<br />
};<br />
<br />
<br />
...<br />
// the workerthread<br />
UINT MaxThread(LPVOID pParam)<br />
{<br />
	CMax* dlg = (CMax*)pParam;<br />
	dlg->max();<br />
	return 0;<br />
}<br />
<br />
...<br />
// calling the workerthread<br />
void MyAppView::MaxStart()<br />
{<br />
maxID = AfxBeginThread(MaxThread, mMax,<br />
THREAD_PRIORITY_IDLE ,0,CREATE_SUSPENDED);<br />
maxID->m_bAutoDelete=TRUE;<br />
maxID->ResumeThread();<br />
}<br />
<br />
...<br />
<br />
void MyAppView::OnKeyDown(UINT ..., UINT ..., UINT ...)<br />
{<br />
  switch (nChar) <br />
  {<br />
    case VK_ESCAPE:<br />
        if(!pauseMax)<br />
        {<br />
           maxbreak = TRUE;<br />
           WaitForSingleObject(maxID,INFINITE);<br />
//           delete maxID;  // polls a AccessViolation<br />
        }<br />
        break;<br />
  }<br />
}<br />
<br />
<br />
...<br />
void CMax::max()<br />
{<br />
 ...<br />
  if(p_View)<br />
  {<br />
    p_View->SendNotifyMessage(...);<br />
  }<br />
  while(... && !maxbreak)<br />
  {<br />
    ...<br />
  }<br />
  if(p_View)<br />
  {<br />
    p_View->SendNotifyMessage(...);<br />
  }<br />
  ...<br />
}<br />
<br />