[Overview][Constants][Types][Classes][Procedures and functions][Index] | Reference for unit 'DBCtrls' (#lcl)

# TDBImage.Change

Notifies the linked dataset when the value in the control is changed.

## Declaration

Source position: dbctrls.pp line 1204

`public procedure TDBImage.Change; virtual;`

## Description

Change is a procedure used to notify the linked dataset in DataSource when the image in the control has been changed. Change calls the Modified method in the internal TFieldDataLink instance used in the class. This results in the UpdateData method being called to post the new value to the field in the dataset.

## See also

TDBImage.UpdateData |  | Performs actions needed to validate and store the content for the image control.
TDBImage.DataField |  | Contains the name of the field with the value for the control.
TDBImage.DataSource |  | Provides access to the dataset with content for the control.
TFieldDataLink.Modified |  | Updates the class when the linked dataset enters an edit state.
TFieldDataLink.Field |  | The Field to which the datalink is attached.
TFieldDataLink.FieldName |  | FieldName - the name of the attached field, stored as a string.
TDataLink.DataSource
TDataLink.DataSet