Question

I am trying to build a resource file for a website basically jamming all the images into a compressed file that is then unpacked on the output buffers to the client.

my question is in vb2005 can a filestream be multi threaded if you know the size of the converted file, ala like a bit torrent and work on pieces of the filestream ( the individual files in this case) and add them to the resource filestream when they are done instead of one at a time?

Answer 1

I’m not sure if you’re asking if a System.IO.FileStream object can be read from or written to in a multi-threaded fashion. But the answer in both cases is no. This is not a supported scenario. You will need to add some form of locking to ensure serialized access to the resource.

The documentation calls out multi-threaded access to the object as an unsupported scenario

• http://msdn.microsoft.com/en-us/library/system.io.filestream.aspx