FireDAC.Comp.DataSet.TFDMasterDataLink.DataEvent

• Up to Parent: TFDMasterDataLink

Delphi

procedure DataEvent(Event: TDataEvent; Info: NativeInt); override;

C++

virtual void __fastcall DataEvent(Data::Db::TDataEvent Event, NativeInt Info);

Properties

Type	Visibility	Source	Unit	Parent
procedure function	protected	FireDAC.Comp.DataSet.pas FireDAC.Comp.DataSet.hpp	FireDAC.Comp.DataSet	TFDMasterDataLink

Description

Responds to various events that occur while working with data.

FireDAC.Comp.DataSet.TFDMasterDataLink.DataEvent inherits from Data.DB.TDataLink.DataEvent. All content below this line refers to Data.DB.TDataLink.DataEvent.

Responds to various events that occur while working with data.

DataEvent is called automatically when various data events occur. Event indicates the event that just occurred. Info provides additional context information for some events.

DataEvent dispatches these events by calling the appropriate methods, as indicated in the following table.

Data event	Info	Method called
deFieldChange | deRecordChange	The field that changed	RecordChanged
deDataSetChange	Current index into the record buffer	DataSetChanged
deDataSetScroll	Current index into the record buffer	DataSetScrolled
deLayoutChange	Current index into the record buffer	LayoutChanged
deUpdateRecord	UpdateRecord
deUpdateState	EditingChanged or ActiveChanged
deCheckBrowseMode	CheckBrowseMode
deFocusControl	FocusControl

See Also

• DataSetScrolled

• LayoutChanged

• RecordChanged

• DataSetChanged

• UpdateRecord

• CheckBrowseMode

• FocusControl

• ActiveChanged

• EditingChanged