>Check http://www.emoreau.com/Entries/Articles/2004/08/Interfacing-the-Windows-Task-Scheduler.aspx. It is also outdated but the scheduler didn't changed that much over years. Be sure to also look at the comments at the bottom as there are a couple of other links.

Everyone on the net seems to relate to a wrapper. I need the core functionality of such a wrapper. I have located the namespace System.Threading.Tasks.TaskScheduler which I think is the base for this. But, there isn't much documentation around about this.