Online Documentation for Advanced Data Export for RAD Studio VCL
TGetColumnValueEvent = procedure(Sender: TObject; RecNo: integer; Column: TqeCustomColumn; var Value: Variant)
property OnGetColumnValue: TGetColumnValueEvent;
The OnGetColumnValue event returns Value which is the value of the record by its number and column which are defined by the RecNo and Column parameters. Use this event to export data from the custom data source by selecting values depending on the column and current record number.