TcxDataFindCriteriaBeforeChangeEvent Type

A data search criterion change event type.

Declaration

TcxDataFindCriteriaBeforeChangeEvent = procedure(Sender: TcxDataFindCriteria; const AChange: TcxDataFindCriteriaChange) of object;

Parameters

Name	Type
Sender	TcxDataFindCriteria
AChange	TcxDataFindCriteriaChange

Remarks

This event occurs every time a data search criterion changes, before it takes effect on a data controller.

The ASender parameter provides access to the data search criteria that raised a TcxDataFindCriteriaBeforeChangeEvent event.

The AChange parameter returns the occurred setting change. Refer to the TcxDataFindCriteriaChange type description for detailed information on possible changes.

The following public API members reference the TcxDataFindCriteriaBeforeChangeEvent procedural type:

• A data controller’s OnFindCriteriaBeforeChange event.

• A tree list control’s OnFindCriteriaBeforeChange event.

• A vertical grid control’s OnFindCriteriaBeforeChange event.