鼠标移动到按钮内与按钮外消息

void CInspectButton::OnMouseMove(UINT nFlags, CPoint point)

{

if (!m_bGroup && m_Style == 0)

{

m_Style = 1;

Invalidate();  

TRACKMOUSEEVENT tme;

tme.cbSize = sizeof( TRACKMOUSEEVENT );

tme.dwFlags = TME_LEAVE;

tme.hwndTrack = m_hWnd;

tme.dwHoverTime = 0;

::TrackMouseEvent( &tme );

}

CButton::OnMouseMove(nFlags, point);

}

void CInspectButton::OnMouseLeave()

{

m_Style = 0;

Invalidate();  

CButton::OnMouseLeave();

}