Method JoinFilterGraph

Source/renbase2.cpp:997–1011

// the graph we can send an EC_WINDOW_DESTROYED event

STDMETHODIMP
CBaseVideoRenderer2::JoinFilterGraph(__inout_opt IFilterGraph *pGraph, __in_opt LPCWSTR pName)
{
    // Since we send EC_ACTIVATE, we also need to ensure
    // we send EC_WINDOW_DESTROYED or the resource manager may be
    // holding us as a focus object
    if (!pGraph && m_pGraph) {

        // We were in a graph and now we're not
        // Do this properly in case we are aggregated
        IBaseFilter* pFilter = this;
        NotifyEvent(EC_WINDOW_DESTROYED, (LPARAM) pFilter, 0);
    }
    return CBaseFilter::JoinFilterGraph(pGraph, pName);
}