TFieldDataLink.OnDataChange property
Event handler signalled when the field data link has been changed.
Declaration
property OnDataChange: TNotifyEvent read FOnDataChange write FOnDataChange;Description
OnDataChange is a
TNotifyEvent property which contains
the event handler signalled when the
DataSource or
Field has been changed in the class instance. OnDataChange is
normally signalled from the
DataChange method in a data-aware
control which has been assigned to the event handler when the control was
initialized. It is also signalled from the
Reset method which
cancels field updates for the control.
See OnUpdateData for the event handler signalled when pending
edits are written to the linked DataSet. See
EditingChanged for the event handler signalled for pending changes
to the DataSource, Field, or FieldName
properties.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.