AForge.Video.DirectShow.VideoCapabilities.VideoCapabilities C# (CSharp) Method

        internal VideoCapabilities( IAMStreamConfig videoStreamConfig, int index )
        {
            AMMediaType mediaType = null;
            VideoStreamConfigCaps caps = new VideoStreamConfigCaps( );

            try
            {
                // retrieve capabilities struct at the specified index
                int hr = videoStreamConfig.GetStreamCaps( index, out mediaType, caps );

                if ( hr != 0 )
                    Marshal.ThrowExceptionForHR( hr );

                // extract info
                FrameSize = caps.InputSize;
                FrameRate = (int) ( 10000000 / caps.MinFrameInterval );
            }
            finally
            {
                if ( mediaType != null )
                    mediaType.Dispose( );
            }
        }
    }