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AutoCAD 2025 for Mac Developer and ObjectARX
    • Customization Guide
    • DXF Reference
    • AutoLISP and DCL
    • ObjectARX
      • ObjectARX: Developer's Guide
        • ObjectARX Introductory Concepts
        • Basic Interaction with AutoCAD
          • Selection Set, Entity, and Symbol Table Functions
          • Plot API
          • Global Functions for Interacting with AutoCAD
          • ObjectARX Global Utility Functions
            • Common Characteristics of ObjectARX Library Functions
            • Variables, Types, and Values Defined in ObjectARX
              • General Types and Definitions
                • Real Numbers
                • Points
                • Transformation Matrices
                • Entity and Selection Set Names
              • Useful Values
              • Result Buffers and Type Codes
              • ObjectARX Function Result Type Codes
              • User-Input Control Bit Codes
            • Lists and Other Dynamically Allocated Data
            • Extended Data Exclusive Data Types
            • Text String Globalization Issues
          • AutoCAD Command Prompt Standard
        • Custom Objects
        • Advanced Topics
        • ObjectARX Graphics, Geometry, and Boundary Representation Libraries
      • ObjectARX: Reference Guide
      • ObjectARX: Release Notes
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    General Types and Definitions

    The types and definitions described in this section provide consistency between applications and conformity with the requirements of AutoCAD. They also contribute to an application's legibility.

    Topics in this section
    • Real Numbers
    • Points
    • Transformation Matrices
    • Entity and Selection Set Names
    Parent topic: Variables, Types, and Values Defined in ObjectARX

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