获取非客户区消息



LRESULT CDockWindowDlg::DefWindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
 // TODO: 在此添加专用代码和/或调用基类
 LRESULT result = CDialogEx::DefWindowProc(message, wParam, lParam);
 
 if(WM_SIZE == message  ||  WM_NCACTIVATE == message )
 {
  Invalidate(TRUE);
 }

 if(WM_MOVE == message || WM_NCACTIVATE == message )
 {
  OnNcPaint();
 }

 return result;
}