public class SpreadsheetRibbonContextTabCategoryCollection :
Public Class SpreadsheetRibbonContextTabCategoryCollection
ASPxSpreadsheet holds ribbon context tab categories in a collection represented by an instance of the SpreadsheetRibbonContextTabCategoryCollectionclass and can be accessed by the ASPxSpreadsheet.RibbonContextTabCategories property. The properties and methods exposed by the SpreadsheetRibbonContextTabCategoryCollection class can be used to perform common collection operations such as adding new or deleting existing categories. Each item of the collection is represented by a RibbonContextTabCategory object. Individual categories can be accessed using indexer notation.