Unit 'DB'	Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index]	[#fcl]

TDataEvent

Various events that are sent to datasources.

Declaration

Source position: db.pas line 59

`type TDataEvent = (`
`deFieldChange,`		A field value changed.
`deRecordChange,`		The current record changed.
`deDataSetChange,`		The dataset property changed.
`deDataSetScroll,`		The dataset scrolled to another record.
`deLayoutChange,`		The layout properties of one of the fields changed.
`deUpdateRecord,`		The record is being updated.
`deUpdateState,`		The dataset state is updated.
`deCheckBrowseMode,`		The browse mode is being checked.
`dePropertyChange,`		Unused.
`deFieldListChange,`		Event sent when the list of fields of a dataset changes.
`deFocusControl,`		Event sent whenever a control connected to a field should be focused.
`deParentScroll,`		Unused.
`deConnectChange,`		Unused.
`deReconcileError,`		Unused.
`deDisabledStateChange`		Unused.
`);`

Description

TDataEvent describes the various events that can be sent to TDatasource instances connected to a TDataset instance.

See also

TDatasource		Component representing the link between a local (GUI) component and a dataset.
TDataset		Base class for records-based data-access.
TDataLink		Data event handling agent for controls.