Open default mail client along with a attachment

Question

Hi I am working on a WPF application (using c#).

I need to have a functionality where users can send files (audio files) as attachments via email. I tried using

Answer 1

Have you tried using System.Diagnostics.Process.Start() with an appropriate command line?

mailto:some.guy@someplace.com?subject=an email&body=see attachment&attachment="/files/audio/attachment.mp3"

The &attachment switch lets you specify a file name.

Ok, I'm struggling to this working but allegedly it can be done. I'm currently reading through this monster and will get back to you.