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1. Introduction

2. C++ Application Framework

3. Object Libraries

4. Identifying Model Objects

Using is_entityclass Functions

Derivation from ENTITY

Object Type

Object Level

Inquiring the Type of an Object

5. Allocating and Deallocating Memory within ACIS

6. Error Handling and Messaging

7. Debugging

8. Extending the Modeler

9. Entity Derivation Macros

10. File Formats

A. Error Messages