TcxCustomDataSummaryItem Class
Represents an item within a grid control used to calculate summaries.
Declaration
TcxCustomDataSummaryItem = class(
TCollectionItem
)Remarks
The TcxDataSummaryItem class provides the ItemLink property that determines the item within a grid control. When data is presented using a grid view, an item designates a grid column of the TcxGridColumn class.
The TcxCustomDataSummaryItem is not used directly. It represents common properties and methods for the TcxDataSummaryGroupItemLink and TcxDataSummaryItem classes. TcxDataSummaryItem implements a single summary calculation. It provides the type of operation to perform. TcxDataSummaryGroupItemLink represents a grouping item in the summary group.
The TcxCustomDataSummaryItem class is derived from the TCollectionItem class. This allows the storing of individual TcxCustomDataSummaryItem objects in a TCollection.