I am attempting to show/hide the Caption based on the docked state, but I am having some difficulty.

Using the "AfterDockChange" event does not appear to be working properly.  When I un-dock the tab from the Dock Manager I get "floating" as the DockState which is what I expect.  However, when I return the control to the Dock it still reports the DockState as "floating".  I see the same behaviour with ToggleDockState and double-clicking.

Am I missing something or is this a bug?