When something seems too good to be true it usually is

Sep 11, 2013 at 9:58 PM
It would be nice to have access to control that are in the documentation.

This project is supposed to offer:
DockingManager
ResizingPanel
DockablePane
DocumentPane
DockableContent
DocumentContent
FloatingWindow
Pane
ManagedContent

This is what I have:
http://s7.postimg.org/idotd7zdn/Avalon.jpg

Where is "ResizingPanel", etc. ?