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1. Introduction

2. C++ Application Framework

3. Object Libraries

4. Identifying Model Objects

5. Allocating and Deallocating Memory within ACIS

6. Error Handling and Messaging

7. Debugging

8. Extending the Modeler

Naming Conventions

Sentinels

Filenames

Extending the Application Procedural Interface

Creating a New API Function

API Function Characteristics

Steps

API Source .cxx File

API .hxx Header File

Example API Function

Include Files

Function Return Type and Error Handling

Function Arguments

Making APIs C-Callable

ENTITY Class Arguments

ENTITY_LIST Class Arguments

Begin and End Macros

API_BEGIN and API_END Macros

API_NOP_BEGIN and API_NOP_END Macros

API_TRIAL_BEGIN and API_TRIAL_END Macros

API_SYS_BEGIN and API_SYS_END Macros

Argument Error Checking

Argument Checking Functions

When to Check Arguments

Error Handling

Debugging Macro

Deriving Classes

Levels Of Derivation

Class Names

Files

ENTITY Class Derivation

Assembly Modeling Class Derivation Example

Assembly Modeling

Organization Class

Application-Specific Classes

ASSEMBLY Class

INSTANCE Class

Versioning within ACIS

Important versioning details

How to specify an ACIS version for a single API call

Alternate Methods of Versioning

ALGORITHMIC_VERSION_BLOCK

API_VERS_BEGIN

Run-time Virtual Methods

Design

Usage

Implementing Methods

Calling Methods

Third Party Products

9. Entity Derivation Macros

10. File Formats

A. Error Messages