The ObjectARX Developer's Guideis organized in seven parts:
Part I: Describes the fundamental concepts of ObjectARX.
Part II: Shows how to work with ObjectARX global functions to create and interact with user interfaces.
Part III: Describes how to create custom classes in ObjectARX.
Part IV: Examines topics of interest to more advanced users, such as proxy objects, notification, and protocol extension.
Part V: Describes the ObjectARX graphics interface, geometry, visualization, and boundary representation libraries.