return (DWORD)::SendMessage(m_hWnd, MCM_HITTEST, 0, (LPARAM)pMCHitTest);
return (int)::SendMessage(m_hWnd, RB_HITTEST, 0, (LPARAM)lprbht);
	DWORD HitTest(PMCHITTESTINFO pMCHitTest) const	{		ATLASSERT(::IsWindow(m_hWnd));		return (DWORD)::SendMessage(m_hWnd, MCM_HITTEST, 0, (LPARAM)pMCHitTest);	}