1) IList doesn't have an AddRange.
2) WPF bindings must be ObservableCollections
3) Comboxes using Event Notification on PropertyChange are originally developed by some dope at Microsoft who still doesn't comprehend Big-O
4) LINQ can only do so much...

It's Christmas. My gift from Santa is trying to get through an end of year crunch on a project that is made entirely out of hot sweaty year old garbage, and the garbage collector is a halfwit who comes seemingly only when they want to, regardless of when I call Dispose().

It's 12:26pm here. That means it's time for bourbon and a good bit of "F*** this, I'm done for the day."