ModifyStyle(0, BS_OWNERDRAW);
ATLASSERT(::IsWindow(m_hWnd));
	void Init()	{		// We need this style to prevent Windows from painting the button		ModifyStyle(0, BS_OWNERDRAW);		// create a tool tip		m_tip.Create(m_hWnd);		ATLASSERT(m_tip.IsWindow());		if(m_tip.IsWindow() && m_lpstrToolTipText != NULL)		{			m_tip.Activate(TRUE);			m_tip.AddTool(m_hWnd, m_lpstrToolTipText);		}		if(m_ImageList.m_hImageList != NULL && (m_dwExtendedStyle & BMPBTN_AUTOSIZE) != 0)			SizeToImage();	}