TcxCustomTreeList.OnSummary Event

Enables you to perform custom summary calculations.

Declaration

property OnSummary: TcxTreeListSummaryEvent read; write;

Remarks

Sender specifies the tree list.

Arguments and OutArguments specify the passed arguments and the resulting data of the performed calculation.

Values include:

TcxTreeListSummaryEventArguments

Field	Description
Node	Specifies the currently processed node.
SummaryItem	Specifies summary settings.

TcxTreeListSummaryEventOutArguments

Field	Description
Value	Specifies the value of a node’s data cell that belongs to the column used in a calculation.
SummaryValue	Specifies the summary value that has been calculated for the previously processed nodes.
CountValue	Specifies the number of nodes that have already been processed.
Done	Specifies whether default calculation is required. Set Done to True, to prevent default calculation.

Refer to the Creating Summaries help topic for details.