You can open class libraries to view or add classes.
You can open classes using the Class Browser, the Project Manager when the class library is part of a project, or programmatically.
To open a class library
On the Tools menu, choose Class Browser.
In the Class Browser, click Open.
In the Open dialog box, select the class library you want, and click OK.
The class library you selected appears in the class list in the Class Browser along with any classes it contains.
To open a class library in a project
Open the project containing the class library.
In the Project Manager, select the Classes tab.
Select the class library you want to open and click Modify.
The class library you selected opens in the Class Browser.
To open and close class libraries programmatically
To open class libraries programmatically, use the SET CLASSLIB command.
To close class libraries programmatically, use the RELEASE CLASSLIB command.