Data.DB.TDataSet.BeforeOpen

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Delphi

property BeforeOpen: TDataSetNotifyEvent read FBeforeOpen write FBeforeOpen;

C++

__property TDataSetNotifyEvent BeforeOpen = {read=FBeforeOpen, write=FBeforeOpen};

Properties

Type Visibility Source Unit Parent
event public
Data.DB.pas
Data.DB.hpp
Data.DB TDataSet

Description

Occurs before an application executes a request to open a dataset.

Write a BeforeOpen event handler to take specific action before an application opens a dataset for viewing or editing. BeforeOpen is triggered when an application sets the Active property to true for a dataset or an application calls Open.

BeforeOpen is an event handler of type Data.DB.TDataSetNotifyEvent.

See Also