TDBImage.DataChange procedure
Performs actions needed when the content in the linked dataset has been changed.
Declaration
procedure DataChange(Sender: TObject)Arguments
Sender | Object for the event notification. |
Description
DataChange is a procedure used to perform actions needed when the
content in the linked dataset has been changed. Such as when the record
position has changed when scrolling the dataset.
DataChange ensures that the TGraphic instance in
Picture is set to Nil. If AutoDisplay is set to
True, the graphic image is loaded by calling the
LoadPicture method.
DataChange is assigned as the OnDataChange event handler in the
internal TFieldDataLink instance used in the class.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.
