case WM_ERASEBKGND:
// prevent wxControl from processing this message because it will
// erase the background incorrectly and there is no way for us to
case WM_ERASEBKGND:
// prevent wxControl from processing this message because it will
// erase the background incorrectly and there is no way for us to
// without painting over other controls - and if we don't,
// wxControl still gets it)
return MSWDefWindowProc(nMsg, wParam, lParam);
// without painting over other controls - and if we don't,
// wxControl still gets it)
return MSWDefWindowProc(nMsg, wParam, lParam);