CodeTV.GraphBuilderBase.ConnectAllOutputFiltersFrom C# (CSharp) Метод

        protected virtual void ConnectAllOutputFiltersFrom(IBaseFilter fromFilter, IFilterGraph2 graph)
        {
            // Get the pin enumerator
            IEnumPins ppEnum;
            int hr = fromFilter.EnumPins(out ppEnum);
            DsError.ThrowExceptionForHR(hr);

            try
            {
                // Walk the pins looking for a match
                IPin[] pPins = new IPin[1];
                //22 int lFetched;
                //22 while ((ppEnum.Next(1, pPins, out lFetched) >= 0) && (lFetched == 1))
                while (ppEnum.Next(1, pPins, IntPtr.Zero) >= 0)
                {
                    // Read the direction
                    PinDirection ppindir;
                    hr = pPins[0].QueryDirection(out ppindir);
                    DsError.ThrowExceptionForHR(hr);

                    // Is it the right direction?
                    if (ppindir == PinDirection.Output)
                    {
                        if (pPins[0] != null)
                        {
                            hr = graph.Render(pPins[0]);
                            //DsError.ThrowExceptionForHR(hr);
                        }
                    }
                    Marshal.ReleaseComObject(pPins[0]);
                }
            }
            finally
            {
                Marshal.ReleaseComObject(ppEnum);
            }
        }