If you need to send binary information via a webservice, you should look at DIME. Lots of information pops up when you search for it at msdn.microsoft.com.

>Hello,
>
>I'm using VS 2005 to build a web service. So far nothing spectacular, but I want to use the binary formatter to commuicate between client and web service. However, I can't find any simple way to do this.
>Any ideas?
>
>TIA,
>Martin