.h文件加入:
afx_msg LRESULT OnMouseLeave(WPARAM ,LPARAM );
afx_msg LRESULT OnMouseHover(WPARAM ,LPARAM );
.cpp文件加入:
ON_MESSAGE(WM_MOUSELEAVE,OnMouseLeave)
ON_MESSAGE(WM_MOUSEHOVER,OnMouseHover)
LRESULT CIconButton::OnMouseLeave(WPARAM wParam,LPARAM lParam)
{
InvalidateRect(NULL);
return 0;
}
LRESULT CIconButton::OnMouseHover(WPARAM wParam,LPARAM lParam)
{
CClientDC dc(this);
CRect rt;
GetClientRect(&rt);
dc.Draw3dRect(0,0,
m_rect.right-m_rect.left,m_rect.bottom-m_rect.top,
RGB(0,0,0),RGB(10,10,10));
return 0;
}
void CIconButton::OnMouseMove(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CButton::OnMouseMove(nFlags, point);
TRACKMOUSEEVENT tme;
tme.cbSize=sizeof(TRACKMOUSEEVENT);
tme.dwFlags=TME_HOVER | TME_LEAVE;
tme.dwHoverTime=HOVER_DEFAULT;
tme.hwndTrack=m_hWnd;
_TrackMouseEvent(&tme);
}