ATL Class Overview

Classes in the Active Template Library (ATL) can be categorized as follows:

Class Factories	Memory Management
Class Information	MMC Snap-In
Collection	Object Safety
COM Modules	Persistence
Composite Controls	Properties and Property Pages
Connection Points	Registry Support
Control Containment	Running Objects
Controls: General Support	Security
Data Transfer	Service Provider Support
Data Types	Site Information
Debugging and Exception	String and Text
Dual Interfaces	Tear-Off Interfaces
Enumerators and Collections	Thread Pooling
Error Information	Threading Models and Critical Sections
File Handling	UI Support
Interface Pointers	Windows Support
IUnknown Implementation	Utility

For additional classes that can be used in ATL projects, see Shared Classes.

See Also