windowsforms-1131-controls-and-libraries-ribbon-bars-and-menu-bars-bar-manager-designer-categories-page.md
The Categories page provides category management facilities. It includes buttons used to add and remove categories, a tree view displaying the categories with their items, a property grid that allows access to the selected category’s (item’s) settings. This page is shown in the image below.
Categories are stored in the BarManager’s BarManager.Categories collection. This collection is managed using the buttons located at the top of the page. The list below briefly describes these buttons:
Items can be moved from one category to another using drag and drop. A green arrow ( ) will be shown pointing to the category the selected item is moved to. Note that items can not be moved to the default category (“Unassigned items”). Items are automatically moved to this category when their owning category is removed.
The property grid located at the right side of the page gives you the ability to customize the selected category’s (item’s) settings. For more information on categories refer to the How To: Organize Bar Items into Categories topic.
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