Represents the collection of custom command buttons.
public class TreeListCommandColumnCustomButtonCollection : Collection<TreeListCommandColumnCustomButton>
Public Class TreeListCommandColumnCustomButtonCollection Inherits Collection(Of TreeListCommandColumnCustomButton)
Command columns store their custom buttons within the TreeListCommandColumn.CustomButtons collection, which is represented by the TreeListCommandColumnCustomButtonCollection class. Members of this class can be used to add, delete, access individual buttons and perform other common collection management tasks.