Project forked from here.
I liked the visual, but the code behind it, as of this writing, could have some TLC.
I'll be polishing and carving out some fat that, I believe, will make the code faster and more reliable.
Narwin for the original code.
MCF.Goodwin : Form Fading
Burak Ozdiken : TabControlDesigner
Mavamaarten : TabControl Transition Method
[MIT License]