MFC Macros and Globals

The Microsoft Foundation Class Library can be divided into two major sections: (1) the MFC classes and (2) macros and globals. If a function or variable is not a member of a class, it is a global function or variable.

The MFC library and the Active Template Library (ATL) share string conversion macros. See String Conversion Macros in the ATL documentation for a discussion of these macros.

The MFC macros and globals offer functionality in the following categories:

General MFC

Data types
Type casting of MFC class objects
Run-time object model services
Diagnostic services
Exception processing
CString formatting and message-box display
Message maps
Application information and management
Standard command and window IDs
Collection class helpers
Gray and dithered bitmap functions

Database

Record Field Exchange (RFX) functions and Bulk Record Field Exchange (bulk RFX) functions for the MFC ODBC classes
Record field exchange (DFX) functions for the MFC DAO classes
Dialog data exchange (DDX) functions for CRecordView and CDaoRecordView (MFC ODBC and DAO classes)
Dialog data exchange (DDX) functions for OLE controls
Macros and globals to aid in calling Open Database Connectivity (ODBC) API functions directly
DAO database engine initialization and termination

Internet

Internet Server API (ISAPI) parse maps
Internet URL parsing globals
Internet Server API (ISAPI) diagnostic macros

DHTML Event Maps

DHTML event maps
Multipage DHTML and URL event maps

OLE

OLE initialization
Application control
Dispatch maps

In addition, MFC provides a function called AfxEnableControlContainer that enables any OLE container developed with MFC 4.0 to fully support embedded OLE controls.

OLE Controls

Variant parameter type constants
Type library access
Property pages
Event maps
Event sink maps
Connection maps
Registering OLE controls
Class factories and licensing
Persistence of OLE controls

The first part of this section briefly discusses each of the previous categories and lists each global and macro in the category, along with a brief description of what it does. Following this alphabetically are complete descriptions of the global functions, global variables, and macros in the MFC library.

To find more information on MFC Macros and Globals, see MFC Macros and Globals.