NewTOAPIA.Media.Capture.VideoCaptureDevice.AddSampleGrabber C# (CSharp) Method

        void AddSampleGrabber()
        {
            int hr = 0;

            // Add the sample grabber to the graph
            hr = graphBuilder.AddFilter(grabberFilter, "NewTOAPIA Grabber");
            DsError.ThrowExceptionForHR(hr);

            // After the filter is added to the graph, and before
            // it is connected to anything, we need to set the format
            // and size that we expect.
            AMMediaType mt = new AMMediaType();

            // Set the media type to Video/RBG24
            mt.majorType = MediaType.Video;
            mt.subType = MediaSubType.RGB24;
            mt.formatType = FormatType.VideoInfo;    // What format do we want to use to describe the media

            //VIDEOINFOHEADER vih = new VIDEOINFOHEADER();
            //vih.BmiHeader.biBitCount = 24;
            //vih.BmiHeader.biClrImportant = 0;
            //vih.BmiHeader.biClrUsed = 0;
            //vih.BmiHeader.biCompression = 0;
            //vih.BmiHeader.biHeight = fDesiredHeight;
            //vih.BmiHeader.biPlanes = 1;
            //vih.BmiHeader.biSize = Marshal.SizeOf(vih);
            //vih.BmiHeader.biSizeImage = (uint)(fDesiredWidth * fDesiredHeight * 3); // It's very important to set this one or things won't be right
            //vih.BmiHeader.biWidth = fDesiredWidth;
            //vih.BmiHeader.biXPelsPerMeter = 0;
            //vih.BmiHeader.biYPelsPerMeter = 0;
            
            //// turn the structure back into a pointer
            //mt.formatPtr = Marshal.AllocCoTaskMem(Marshal.SizeOf(vih));
            //mt.formatSize = Marshal.SizeOf(vih);
            //mt.formatType = FormatType.VideoInfo;
            //Marshal.StructureToPtr(vih, mt.formatPtr, false);

            hr = sampleGrabber.SetMediaType(mt);
            DsError.ThrowExceptionForHR(hr);

            // Free the media type object because we're done with it
            mt.Dispose();
            mt = null;

            // Final sample grabber configuration
            hr = sampleGrabber.SetOneShot(false);
            hr = sampleGrabber.SetBufferSamples(false);
            hr = sampleGrabber.SetCallback(fGrabber, 1);
            DsError.ThrowExceptionForHR(hr);

        }