I thought it might be useful to go over how I wrote the custom level processor, because after following the example in the documentation I still had some questions.
The Level Classes
I already had the classes that make up my level, because I was using them in the level editor. This is the class diagram of [...]


I’m working on a level editor for creating XNA games.
At the moment, it only supports the 2D game engine I’m working on, but I’m planning to extend both the engine and editor to support 3D graphics (but keeping it to 2D logic for the time-being).
This is what the editor looks like when it loads:

The grid [...]