Export (0) Print
Expand All
Expand Minimize
This topic has not yet been rated - Rate this topic

COMMAP Attributes Sample: Demonstrates COM Interface Map Entry Macros 

Download sample

The COMMAP attributes sample shows how different COM interface map entry macros are used.

Security noteSecurity Note

This sample code is provided to illustrate a concept and should not be used in applications or Web sites, as it may not illustrate the safest coding practices. Microsoft assumes no liability for incidental or consequential damages should the sample code be used for purposes other than as intended.

Building and Running the Sample

To build and run this sample

  1. Open the solution file COMMap.sln.

  2. From the Build menu, click Build Solution.

  3. After the sample builds, open commap.htm in your Web browser. Commap.htm includes comments about each type of map entry.

Attributes

This sample uses the following attributes:

  • COMMap   coclass, com_interface_entry, default, dual, emitidl, helpstring, id, implements_category, in, module, object, out, pointer_default, progid, propget, retval, threading, uuid, version, vi_progid

  • COMMap/Aggreg   coclass, default, dual, emitidl, helpstring, id, module, object, out, pointer_default, progid, propget, retval, support_error_info, threading, uuid, version, vi_progid

Keywords

This sample uses the following keywords:

BEGIN_COM_MAP; CComCoClass; CComModule::GetClassObject; CComModule::GetLockCount; CComModule::Init; CComModule::RegisterServer; CComModule::Term; CComModule::UnregisterServer; CComObjectRoot; CComTearOffObjectBase; COM_INTERFACE_ENTRY; COM_INTERFACE_ENTRY_AGGREGATE; COM_INTERFACE_ENTRY_AGGREGATE_BLIND; COM_INTERFACE_ENTRY_AUTOAGGREGATE; COM_INTERFACE_ENTRY_AUTOAGGREGATE_BLIND; COM_INTERFACE_ENTRY_CACHED_TEAR_OFF; COM_INTERFACE_ENTRY_TEAR_OFF; DECLARE_GET_CONTROLLING_UNKNOWN; DECLARE_REGISTRY_RESOURCEID; DisableThreadLibraryCalls; END_COM_MAP; IDispatchImpl; ISupportErrorInfo; SysAllocString

NoteNote

Some of the samples, such as this one, have not been modified to reflect the changes in the Visual C++ wizards, libraries, and compiler, but still demonstrate how to complete your desired task.

See Also

Other Resources

ATL Attributes Samples

Did you find this helpful?
(1500 characters remaining)
Thank you for your feedback

Community Additions

ADD
Show:
© 2014 Microsoft. All rights reserved.