Dev2.PathOperations.Dev2ActivityIOBroker.AppendToTemp C# (CSharp) Method

        static void AppendToTemp(Stream originalFileStream, string temp)
        {
            const int BufferSize = 1024 * 1024;
            var buffer = new char[BufferSize];

            using(var writer = new StreamWriter(temp, true))
            {
                using(var reader = new StreamReader(originalFileStream))
                {
                    int bytesRead;
                    while((bytesRead = reader.ReadBlock(buffer, 0, BufferSize)) != 0)
                    {
                        writer.Write(buffer, 0, bytesRead);
                    }
                }
            }
        }