TJSONPropStorage class

In unit JSONPropStorage

Implements the final class for the JSON Form Session Properties storage.

Declaration

pascal

TJSONPropStorage = class(TCustomJSONPropStorage)

Inheritance

Description

TJSONPropStorage is a TCustomJSONPropStorage descendant which implements a class used to store session properties for a form or frame to a file using JSON (JavaScript Object Notation) format. It sets the visibility for properties introduced in ancestor classes.

Use the SessionProperties property in the TForm (or TFrame) instance which owns the class to define the component and property names written to the JSON storage mechanism.

Use JSONFileName to specify the path and file name to the file where the JSON content for the session properties is stored.

Use RootObjectPath to specify the path to the JSON object where the session properties is stored in the JSON file.

Use Formatted to control whether formatting options for the JSON config file are enabled for the storage mechanism.

Properties

`StoredValues`	published	Collection with the names and values for properties handled for the container.
`JSONFileName`	published	Name of the file where the session property names and values are saved in JSON format.
`Formatted`	published	Controls whether formatted JSON is emitted in the JSONConf storage mechanism.
`Active`	published	Indicates whether the container is Active and allows access to its storage.

Events

`OnSavingProperties`	published	Event handler signalled when the Save method is started.
`OnSaveProperties`	published	Event handler signalled when the Save method is completed.
`OnRestoringProperties`	published	Event handler signalled when the Restore method is started.
`OnRestoreProperties`	published	Event handler signalled when the Restore method is completed.