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QuestionPng Image button problem. Pin
yu-jian20-Nov-12 6:53
groupyu-jian20-Nov-12 6:53 
void CPNGButton::OnLButtonDown(UINT nFlags, CPoint point)
{
	SetCapture();
	SetPNG2Button(m_strMouseDownImagePath);
	CStatic::OnLButtonDown(nFlags, point);
}
 
void CPNGButton::OnLButtonUp(UINT nFlags, CPoint point)
{
	SetPNG2Button(m_strMouseMoveImagePath);
	CStatic::OnLButtonUp(nFlags, point);
}
 
void CPNGButton::OnMouseMove(UINT nFlags, CPoint point)
{
	SetCapture();
	CRect rc;
	GetClientRect(rc);
	if (rc.PtInRect(point))
	{
		if (!m_isPointInWnd)
		{
			OnMouseEnter();
			m_isPointInWnd = TRUE;
		}
	}
	else
	{
		SetPNG2Button(m_strMouseAwayImagePath);
		ReleaseCapture();
		m_isPointInWnd = FALSE;
	}
	CStatic::OnMouseMove(nFlags, point);
}
 
void CPNGButton::OnMouseEnter()
{
	SetPNG2Button(m_strMouseMoveImagePath);
}

I create a CPNGButton class to display a button. Using three images to display three different status. No mouse, mouse move, L Button down. CPNGButton is a child class of CStatic. Now if this CPNGButton button is a Minize button, when click this button. After restore the MainFrame, how to restore the minimize button status. Just to how to capture the mouse away from this minimize button?

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