So, here it is, given as-is, with no guarantees or strings attached, just the plain content for you to see if you can make any sense out of it.
Now my to-do list has grown quite big with the stuff that I want to blog, and it includes presenting and explaining most of the concepts I showed in my presentation. So, keep your fingers crossed that I find just enough time to blog about all those small things that have found their way into my presentation, but never into real blog posts that take them inside out and explain in-depth what they are and how really they work.
Of course, you are still free to use any of this in any real, or unreal life scenarios.
(Update, 20.4.2015: As it turns out – this post is not entirely accurate, as pointed out by Johannes Sebastian. Please read the next post to learn more about which parts are, and which aren’t correct.)
Control Add-ins written in C# are not cross-version compatible. You cannot use an assembly compiled for 2013 R2 with 2015 (or the opposite way around, or any other version combination for that matter) without recompiling it with correct extensibility framework assembly reference.