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AutoCAD 2026 Developer and ObjectARX
    • Customization and Administration Guides
    • DXF Reference
    • AutoLISP and DCL
    • ActiveX and VBA
    • ObjectARX and Managed .NET
      • ObjectARX: Developer's Guide
      • ObjectARX: Reference Guide
        • What's New
        • Migration Guide
        • ObjectARX Reference Guide
          • AcAp Classes
          • AcAx Classes (WIN)
          • AcBr Classes
          • AcCm Classes
          • AcDb Classes
          • AcEd Classes (WIN)
          • AcFd and CAcFdUi Classes
          • AcGe Classes
          • AcGi Classes
          • AcGs Classes (WIN)
          • AcLy Classes
          • AcPl Classes (WIN)
          • AcPublish Classes (WIN)
          • AcRx Classes
          • AcTransaction Classes
          • AcTrayItem Classes (WIN)
          • MFC Extension Classes (WIN)
          • DWF Metadata Manager Classes (WIN)
          • Property Palette Classes and Interfaces (WIN)
          • Global Enums
          • Global Functions
          • Miscellaneous Classes
          • Macros
          • Structs
          • Types and Unions
          • DesignCenter Interfaces (WIN)
          • eTransmit Interfaces (WIN)
          • CAD Standards Interfaces (WIN)
          • Tool Palette Classes and Interfaces (WIN)
          • Additional Information
      • ObjectARX: Managed .NET Developer's Guide
      • ObjectARX: Managed .NET Reference Guide
      • ObjectARX: Interoperability Guide
      • ObjectARX: Migration Guide
      • ObjectARX: Release Notes
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    ObjectARX Reference Guide

    Description

    Documents the ObjectARX® and RealDWG™ C++ classes, member functions, global functions, namespaces, enumerations, structures, and macros.

    Topics

    Topic Description
    AcAp Classes
    AcAx Classes (WIN)
    AcBr Classes
    AcCm Classes
    AcDb Classes
    AcEd Classes (WIN)
    AcFd and CAcFdUi Classes
    AcGe Classes
    AcGi Classes
    AcGs Classes (WIN)
    AcLy Classes
    AcPl Classes (WIN)
    AcPublish Classes (WIN)
    AcRx Classes
    AcTransaction Classes
    AcTrayItem Classes (WIN)
    MFC Extension Classes (WIN)
    DWF Metadata Manager Classes (WIN)
    Property Palette Classes and Interfaces (WIN)
    Global Enums
    Global Functions
    Miscellaneous Classes
    Macros
    Structs
    Types and Unions
    DesignCenter Interfaces (WIN)
    eTransmit Interfaces (WIN)
    CAD Standards Interfaces (WIN) .
    Tool Palette Classes and Interfaces (WIN)
    Additional Information This section represents other useful information when developing programs through ObjectARX.

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