The following classes provide support for a COM module:
CAtlBaseModule This class is instantiated in every ATL project.
CAtlComModule This class implements a COM server module.
CAtlModule This class provides methods used by several ATL module classes.
CAtlModuleT This class implements an ATL module.
CAtlExeModuleT This class represents the module for an application.
CAtlServiceModuleT This class implements a service.
CAtlWinModule This class provides support for ATL windowing components.
CComModule This class implements a DLL or EXE module. Obsolete in ATL 7.0.
CComAutoThreadModule This class implements an EXE module, with support for multiple thread-pooled apartments. Obsolete in ATL 7.0.