HRESULT CGraphics::Reset()
{
	HRESULT hResult = 0;
    if(m_d3ddev)
    {
        if(!BuildParams())
            return false;
#if _ISVISTA
		m_d3ddev->ResetEx(&m_d3dpp, &m_d3ddis);
#else
        m_d3ddev->Reset(&m_d3dpp);
#endif
    }
    return true;
}