Array of IToolbarControls for the center of the overflow toolbar
Array of all IToolbarControls from all slots in the overflow toolbar
Array of IToolbarControls for the left side of the overflow toolbar
Array of IToolbarControls for the right side of the overflow toolbar
The title of the overflow toolbar element, used for tooltip text
Indicates the overflow toolbar is shown and contains IToolbarControls
A toolbar control to group controls that no longer fit the space available in a toolbar