[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'DB' (#fcl)

TDataEvent

Various events that are sent to datasources

Declaration

Source position: db.pas line 53

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


Documentation generated on: Jun 22 2020