Data.DB.TDataSet.BeforeScroll
Delphi
property BeforeScroll: TDataSetNotifyEvent read FBeforeScroll write FBeforeScroll;
C++
__property TDataSetNotifyEvent BeforeScroll = {read=FBeforeScroll, write=FBeforeScroll};
Properties
Type | Visibility | Source | Unit | Parent |
---|---|---|---|---|
event | public | Data.DB.pas Data.DB.hpp |
Data.DB | TDataSet |
Description
Occurs before an application scrolls from one record to another.
Write a BeforeScroll event handler to take specific action immediately before an application scrolls to another record as a result of a call to the First, Last, MoveBy, Next, Prior, FindKey, FindFirst, FindNext, FindLast, FindPrior, and Locate methods. BeforeScroll is called before all other events triggered by these methods and any other methods that switch from record to record in the dataset.
BeforeScroll is an event handler of type Data.DB.TDataSetNotifyEvent.