atl-class-overview.md

title	ms.custom	ms.date	ms.reviewer	ms.suite	ms.technology	ms.tgt_pltfrm	ms.topic	f1_keywords	dev_langs	helpviewer_keywords	ms.assetid	caps.latest.revision	author	ms.author	manager
ATL Class Overview | Microsoft Docs		11/04/2016			cpp-windows		article	vc.atl.classes	C++	classes [C++], ATL ATL, class reference	c38ac93d-c3a2-4ce7-8153-f1d34c0f0fa6	10	mikeblome	mblome	ghogen

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

Classes
ATL COM Desktop Components
Functions
Global Variables
Macros
Structures
Typedefs