Workbench User Guide : Working With Classes
 
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Working With Classes
 
Overview
System Classes
User Classes
External Classes
How You Can Create User Classes
Create a Display from a User Class
Create and Register External Class Libraries
Class Browser
Overview
A class is a named object definition. Every object in OpenROAD belongs to a class. The class defines the attributes that describe the object and the methods you can use to operate on the object. Classes are similar to records in Pascal or structures in C.
In this chapter, we will examine the three types of classes used by OpenROAD—system classes, user classes, and external classes—and the relationships among them.