C / C++ / MFC

CPropertySheet sheet;
sheet.m_psh.dwFlags |= PSH_WIZARD | PSH_WIZARDHASFINISH;
sheet.AddPage(...); // add your property pages
sheet.DoModal(); // run the wizard

static int SharedVariable = 0;
CCriticalSection SharedCS;

static UINT Thread(LPVOID parameter);

int main()
{
  AfxBeginThread(Thread,NULL);
  for (;;<nobr>) {
    // get our shared variable
    SharedCS.Lock();
    int shared_variable = SharedVariable;
    SharedCS.Unlock();
    // do something with our copy
    // ...
  }
}
UINT Thread(LPVOID parameter)
{
  // do stuff
  SharedCS.Lock();
  SharedVariable = 1;
  SharedCS.Unlock();
  // ...
  // do more stuff
  SharedCS.Lock();
  SharedVariable = 2;
  SharedCS.Unlock();
  return 0;
}

void MyClass::MyCtrlZHandler()
{
  static bool in_progress = false;
  if (!in_progress) {
    in_progress = true;
    // handle CTRL+Z
    in_progress = false;
  }
}