c# - Send data from website to windows application -

i want know best method send data website windows application. want make video encoder , it'll work this: customer upload videos , when uploading progressed finished website send signal , data (like: video resolution , bit-rate) windows application start encoding videos. want vb.net or c#.net.

have .net program listen http requests outside world. when request received, that's signal start encoding. can data (bitrate, ...) query portion of request.

example workflow of pure html/.net implementation:

1. create simple html form posts data address encoder hosted.
2. in .net program, create instance of httplistener (see msdn) act simple web server.
3. when httplistener receives request, send simple "thank you" page (or whatever) , start encoding.
4. somehow notify user when encoding has finished (email?).