message-handler-functions.md

description

Learn more about: Message Handler Functions

title

Message Handler Functions

ms.date

11/04/2016

ms.topic

reference

helpviewer_keywords

MESSAGE_HANDLER macro

COMMAND_HANDLER macro

CommandHandler method

MessageHandler method

NotifyHandler method

message maps, ATL

NOTIFY_HANDLER macro, message handler functions

ATL, message handlers

ms.assetid

2007a8c5-0143-42f1-91ab-809f235f9d50

Message Handler Functions

ATL provides three types of message handler functions:

Type of message handler	Corresponding message macro
MessageHandler	MESSAGE_HANDLER
CommandHandler	COMMAND_HANDLER
NotifyHandler	NOTIFY_HANDLER