C / C++ / MFC

try {
if (pThread->ExitInstance())
  delete pThread;
}
catch(...)
{
  TRACE("never mind\n");
}

class CEfmraDlg : public CResizableDialog
{
  CWinThread *pThread; // = NULL in constructor
public:
  CEfmraDlg(CWnd* pParent = NULL);
  // the 
  virtual ~CEfmraDlg()
  {
    try 
    { 
      if (pThread)
        if (pThread->ExitInstance())    
          delete pThread;  
    }  
    catch(...)  
    {    
      TRACE("never mind\n");  
    }  
  }

  struct SToto
  {
    BOOL m_bToto;
  };
  static UINT StartThreadEfmRead (LPVOID param);
  bool m_bStop;
}

void CEfmraDlg::OnEfmRead()
{
  m_bStop = FALSE;
  SToto stToto;
  stToto.m_bToto = TRUE;
  
  pThread = AfxBeginThread(CEfmraDlg::StartThreadEfmRead, this);
}

UINT CEfmraDlg::StartThreadEfmRead (LPVOID param)
{
  char buff1[100];
  
  CEfmraDlg* ts = (CEfmraDlg*)param;
  
  if(ts->m_scsi.EFM_open(newSparam) == 0)
  {
    FILE *fp;
    if( NULL == (fp = fopen("cd.txt", "wb")))
    {
      ts->m_ListBox.AddString("Open cd.txt error");
    }
    
    ts->m_ListBox.AddString("Read CD begin ...");
    int count = 0;
    for(; count<=256*1024; )
    {
      count++; //256k
      if(ts->m_bStop) 
      {
        ts->m_ListBox.AddString("Read EFM data aborted.");
        fclose(fp);
        AfxEndThread(0);
      }
      
      if(ts->m_scsi.EFM_read(fp))
      {
        ts->m_ListBox.AddString("Read Error!");
        fclose(fp);
        AfxEndThread(0);
      } 
      memset(buff1, 0, 100);
      sprintf(buff1,"CD Reading - Count: %d Bytes: %d", count, count*256*1024);
      ts->m_diff = buff1;
      ts->ShowText();
    }
    ts->m_scsi.EFM_close();
    fclose(fp);
    AfxEndThread (0);
  }
  return 1;
}

char* FrameTitles[INSTANCES] = { "lineSync", "DoorClosed", "DoorLocked" };