LRESULT CALLBACK WNDP(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
  

  {
  

  switch(msg)
  

  {
  

  case WM_CREATE:
  

  static  HWND hButton=CreateWindow("button","my button",WS_CHILD|WS_VISIBLE|BS_CHECKBOX,
  

  200,200,100,40,hWnd,(HMENU)"fe",((LPCREATESTRUCT)lParam)->hInstance,NULL);return 0;
  

  case WM_DESTROY:
  

  PostQuitMessage(0);
  

  return 0;
  

  }
  

  return DefWindowProc(hWnd,msg,wParam,lParam);
  

  }