BOOL CheckActiveFocus( UINT nId )
{
	BOOL  bRet = FALSE;
	CWnd *pWnd = GetFocus();
	if( ! pWnd ){
		return bRet;
	}
	int nFocusID = pWnd->GetDlgCtrlID();
	if( nFocusID == nId ){
		bRet = TRUE;
	}
	return bRet;
}