Windows Media Service Plugin

I have been trying to figure out quickly about writing a windows media service custom plugin.

My requirement is that I ne开发者_如何学编程ed to create a plugin which can authenticate users from database when they try to play a wmv file.Also they will have a time limit stored in database so they can play video for that amount of time only.

Even if I can get some idea of this can be achieved or how exactly can be proceeded will be highly appreciated.

Thanks.

It took me about 5 minutes to find the following documentation:

Creating Authentication Plug-ins

From there you can find any documentation you need.