How to convert a pdf to a memory stream

Question

I am writing an application in MVC4.

I have a physical pdf file on the server. I want to convert this to a memory stream and send it back to the user like this:

Answer 1

Worked it out

 var pdfContent = new MemoryStream(System.IO.File.ReadAllBytes(imageLocation));
                pdfContent.Position = 0;
                return new FileStreamResult(pdfContent, "application/pdf");