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ATLSafeArray Sample: Demonstrates CComSafeArray and Passing SAFEARRAYs to Script

The ATLSafeArray sample shows how to create and maintain SAFEARRAYs using CComSafeArray. It also shows how to pass SAFEARRAYs from a component to script: when the user clicks the buttons on the HTML page, various methods in the control are executed.

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 ATLSafeArray.sln.

  2. From the Build menu, click Build Solution.

  3. When the build finishes, open ATLSafeArray.htm in your Web browser.

  4. Fill in the text box and click the appropriate buttons to Add, Change, or Remove an item from the list box.

This sample demonstrates the following classes:

CComSafeArray; CComVariant

This sample demonstrates the following keywords:

CComSafeArray::Add; CComSafeArray::SetAt; CComSafeArray::operator=; CComSafeArray::operator[]; CComSafeArray::GetCount; CComSafeArray::Resize; CComVariant::Detach

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