System.IO.NetFxToWinRtStreamAdapter.CanApplyReadMemoryStreamOptimization C# (CSharp) Method

        private static bool CanApplyReadMemoryStreamOptimization(Stream stream)
        {
            MemoryStream memStream = stream as MemoryStream;
            if (memStream == null)
                return false;

            ArraySegment<byte> arrSeg;
            return memStream.TryGetBuffer(out arrSeg);
        }