BEEPER Attributes Sample: Demonstrates a Tearoff Interface
The BEEPER attributes sample illustrates the implementation of a tearoff interface — a collection/enumeration of BSTR values. It can be built as a DLL and as an EXE.
The BEEPER sample is the nonattributed version of this sample.
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.
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This sample uses the following keywords:
BEGIN_COM_MAP; CComCoClass; CComModule::Unlock; CComObjectRoot; COM_INTERFACE_ENTRY; COM_INTERFACE_ENTRY_TEAR_OFF; DECLARE_GET_CONTROLLING_UNKNOWN; DECLARE_NOT_AGGREGATABLE; DECLARE_REGISTRY; END_COM_MAP; FinalConstruct; IDispatchImpl; ISupportErrorInfo; PostThreadMessage; SysAllocString; THREADFLAGS_BOTH
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.