Each dock will use this method in its OnUnload event to unregister with the IDockLayout. This is needed in order the layout to be able to manage the dock state properly.

void UnRegisterDock(
	KaxDock dock
)

Sub UnRegisterDock ( 
	dock As KaxDock
)

void UnRegisterDock(
	KaxDock^ dock
)

abstract UnRegisterDock : 
        dock : KaxDock -> unit