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BEEPER Sample: Demonstrates a Tearoff Interface

The BEEPER 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 attributes sample is the attributed version of this sample.

Security noteSecurity Note

This sample code is intended to illustrate a concept, and it shows only the code that is relevant to that concept. It may not meet the security requirements for a specific environment, and it should not be used exactly as shown. We recommend that you add security and error-handling code to make your projects more secure and robust. Microsoft provides this sample code "AS IS" with no warranties.

To get samples and instructions for installing them:

To access samples from Visual Studio

  • On the Help menu, click Samples.

    By default, these samples are installed in drive:\Program Files\Microsoft Visual Studio 10.0\Samples\.

  • For the most recent version of this sample and a list of other samples, see Visual Studio Samples on the MSDN Web site.

To build and run this sample

  1. Open the solution file beeper.sln.

  2. From the Build menu, click Build Solution.

  3. After the sample builds, open beeper.htm (an HTML file that uses VBScript) in your Web browser and follow its instructions.

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

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