API:Data.Win.ADODB.TADODataSet.BeforeOpen
| [–] Properties | |
|---|---|
| Type: event | |
| Visibility: published | |
| Source: Data.Win.ADODB.pas Data.Win.ADODB.hpp
| |
| Unit: Data.Win.ADODB | |
| Parent: TADODataSet | |
Delphi
property BeforeOpen;
C++
__property BeforeOpen;
Description
Occurs before an application executes a request to open a dataset.
Data.Win.ADODB.TADODataSet.BeforeOpen inherits from Data.DB.TDataSet.BeforeOpen. All content below this line refers to Data.DB.TDataSet.BeforeOpen.
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.