Creates a modeless floating window that contains all controllers in the scene
for quick access to the controller properties. The user can switch on/off
filters to control what types of controllers will be displayed.
Currently supports wire, expression, script, noise, reactor, list, wave, audio,
spring, motioncapture and limit controllers.
v0.4 update: Converted ActiveX UI element to dotNet, therby making the script 64bit compatible (and breaking compatibility with versions prior to 3ds Max 2008).