// order chart to copy itself onto clipboard
	m_chart.EditCopy();

	// make sure the item in clipboard is a bitmap
	if(IsClipboardFormatAvailable(CF_BITMAP))
	{
		if(OpenClipboard())
		{
			m_hbitmap = (HBITMAP)::GetClipboardData(CF_BITMAP);
			CloseClipboard();
		}
	}