FireDAC.Comp.BatchMove.TFDBatchMove.OnWriteValue
Delphi
property OnWriteValue: TFDBatchMoveWriteValueEvent read FOnWriteValue write FOnWriteValue;
C++
__property TFDBatchMoveWriteValueEvent OnWriteValue = {read=FOnWriteValue, write=FOnWriteValue};
Properties
| Type | Visibility | Source | Unit | Parent | 
|---|---|---|---|---|
| event | published | FireDAC.Comp.BatchMove.pas FireDAC.Comp.BatchMove.hpp  | 
        FireDAC.Comp.BatchMove | TFDBatchMove | 
Description
Event triggered before a source value moves to the target data source.
Write an event handler for the OnWriteValue event to specify what happens before a source value moves to the target data source; for example, to reformat or convert the source value.
The event handler for the OnWriteValue event receives the following arguments:
AItem: identifies the data item, like a dataset field.AValue: represents the item value.