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RAD Studio VCL Reference
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TGetRecordCountEvent is the type for event handlers that indicate how many values an adapter has.
TGetRecordCountEvent = procedure (Sender: TObject; var Count: Integer) of object;
(Sender: TObject; var Count: Integer) ( TGetRecordCountEvent)();
Sender is the adapter that has multiple values over which the application can iterate.
Count returns the number of values that the adapter has.
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