Data.DB.TDataEvent

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Delphi

TDataEvent = (deFieldChange, deRecordChange, deDataSetChange,
deDataSetScroll, deLayoutChange, deUpdateRecord, deUpdateState,
deCheckBrowseMode, dePropertyChange, deFieldListChange,
deFocusControl, deParentScroll, deConnectChange, deReconcileError,
deDisabledStateChange);

C++

enum DECLSPEC_DENUM TDataEvent : unsigned char { deFieldChange, deRecordChange, deDataSetChange, deDataSetScroll, deLayoutChange, deUpdateRecord, deUpdateState, deCheckBrowseMode, dePropertyChange, deFieldListChange, deFocusControl, deParentScroll, deConnectChange, deReconcileError, deDisabledStateChange };

Properties

Type	Visibility	Source	Unit	Parent
enum	public	Data.DB.pas Data.DB.hpp	Data.DB	Data.DB

Description

TDataEvent identifies an event that occurs to a dataset.

The following table describes the possible values:

Value	Meaning
deFieldChange	A field value changed.
deRecordChange	The contents of the current record changed.
deDataSetChange	A change occurred that affects the entire dataset (such as the insertion or deletion of records, changes to the key, or edits).
deDataSetScroll	The set of displayed records was scrolled.
deLayoutChange	The layout of data in a data-aware control changed.
deUpdateRecord	Edits to the current record were posted.
deUpdateState	The state of the dataset changed.
deCheckBrowseMode	The state of the dataset is about to change.
dePropertyChange	A property of the dataset or one of its fields changed.
deFieldListChange	The list of fields in the dataset changed.
deFocusControl	Focus needs to shift to the representation of a specified field.
deParentScroll	The parent for which the dataset is a nested detail scrolled.
deConnectChange	The connection to a remote dataset changed.
deReconcileError	The dataset encountered reconcile errors when applying updates.

See Also

• Procedural types

• Creating events