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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.

REGSVR Sample: Invokes Self-Registration Code 

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The REGSVR sample is the source code to the existing REGSVR32.EXE utility. This utility is used to invoke the self-registration code built into ActiveX controls that adds or removes a control's information in the registry. Developers can use this sample to modify the behavior of the REGSVR32 utility.

REGSVR32.EXE can be found in the \Microsoft Visual Studio .NET 2003\Common7\Tools\Bin directory. For more information on using REGSVR32, see MFC ActiveX Controls: Distributing ActiveX Controls.

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 the Sample

To build and run the REGSVR sample

  1. Open the solution regsvr.sln.

  2. On the Build menu, click Build.

See Controls Samples for details on adding a control to the Toolbox, manually registering a control, and using the ActiveX Control Test Container.


The REGSVR sample demonstrates the following keywords:

FreeLibrary; GetLastError; GetProcAddress; LoadLibrary; LoadString; MessageBox; OleInitialize; OleUninitialize; WinMain; lstrcpy; lstrlen; wsprintf


Some 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

MFC Samples

Community Additions

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