Programming Guide : 4. Working with Classes
 
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Working with Classes
 
Overview
Conceptual Background
How You Can Reference Objects
Using an Object-oriented Approach to Programming
Inheritance
How You Can Create a User Class
External Classes
How You Can Create Fields from User Classes
How You Can Manipulate Objects Generically: Casting
Overview of the OpenROAD System Classes
XML Support for OpenROAD
Overview
This chapter explains the concept of classes in OpenROAD and describes how system, external, and user classes make an object‑oriented approach to programming possible. The detailed information in this chapter about creating user classes supplements the description of creating a user class provided in the Workbench User Guide.