Represents a group created by a CollectionView object based on its groupDescriptions property.
constructor(groupDescription: GroupDescription, name: string, level: number, isBottomLevel: boolean): CollectionViewGroup
Initializes a new instance of the CollectionViewGroup class.
GroupDescription that owns the new group.
Name of the new group.
Level of the new group.
Whether this group has any subgroups.
Gets an array containing the items included in this group (including all subgroups).
getAggregate(aggType: Aggregate, binding: string, view?: ICollectionView): void
Calculates an aggregate value for the items in this group.
Type of aggregate to calculate.
Property to aggregate on.
CollectionView that owns this group.