When the UltraNavigationBar control is disposed of, all UltraNavigationBarLocation instances associated with it (i.e., descendants of the RootLocation) are disposed of as well, as are any UltraNavigationBarActionButton instances associated with the control.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2