See c - Google Search[^]. You should also check with the manufacture to see if they have an SDK of their own.

Thank you Gerry. Creating a new file, temporary, is not directly an issue, it is not a goal on itself. What I want to do is, when one audio file is playing using the output, I would like to pre-listen to another one for instance in the headphones, just like DJ's do. I wonder if I should give NAudio a try.