RequestStream modification

gistfile1.cs

        public RequestStream(Stream stream, long expectedLength, long thresholdLength, bool disableStreamSwitching)
        {
            this.thresholdLength = thresholdLength;
            this.disableStreamSwitching = disableStreamSwitching;
            this.stream = stream ?? this.CreateDefaultMemoryStream(expectedLength);

            ThrowExceptionIfCtorParametersWereInvalid(this.stream, expectedLength, this.thresholdLength);

            this.MoveStreamOutOfMemoryIfExpectedLengthExceedExpectedLength(expectedLength);
            this.MoveStreamOutOfMemoryIfContentsLengthExceedThresholdAndSwitchingIsEnabled();

            if(!this.stream.CanSeek)
            {
                this.stream = 
                    this.CreateDefaultMemoryStream(expectedLength); 

                stream.CopyTo(this.stream);
            }

            this.stream.Position = 0;
        }