C / C++ / MFC

void CMyButton::OnMouseMove(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	
	ASSERT(m_hWnd);
	TRACKMOUSEEVENT tevent;
	tevent.cbSize = sizeof(tevent);
	tevent.dwHoverTime = 0;
	tevent.hwndTrack = m_hWnd;
	tevent.dwFlags = TME_LEAVE;
	_TrackMouseEvent(&tevent);
	
	SetCursor(LoadCursor(NULL, IDC_HAND));//<font color="red">I set cursor to IDC_HAND here, but not work.</font>
	CButton::OnMouseMove(nFlags, point);
	if (FALSE == m_bHovered)
	{
		m_bHovered = TRUE;
		this->Invalidate(TRUE);
	}
}