What would be the fastest way to concatenate three files in C#?

Question

I need to concatenate 3 files using C#. A header file, content, and a footer file, but I want to do this as cool as it can be done.

Cool = really small code or reall

Answer 1

void CopyStream(Stream destination, Stream source) {
   int count;
   byte[] buffer = new byte[BUFFER_SIZE];
   while( (count = source.Read(buffer, 0, buffer.Length)) > 0)
       destination.Write(buffer, 0, count);
}


CopyStream(outputFileStream, fileStream1);
CopyStream(outputFileStream, fileStream2);
CopyStream(outputFileStream, fileStream3);