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Versioning Sample 

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This sample demonstrates versioning in C# through the use of the override and new keywords. Versioning helps maintain compatibility between base and derived classes as they evolve. For additional information, see Versioning with the Override and New Keywords (C# Programming Guide).

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.

To open the sample file in Solution Explorer

  1. Click Download Sample.

    The File Download message box appears.

  2. Click Open, and on the left column of the zip folder window, click Extract all files.

    The Extraction Wizard opens.

  3. Click Next. You can change the directory that the files will be extracted to, and then click Next again.

    Make sure that the Show extracted files check box is selected, and click Finish.

  4. Double-click the sample's .sln file.

    The sample solution is displayed in Solution Explorer. You might get a security warning that says the solution location is not trusted. Click OK to continue.

To build and run the Versioning sample within Visual Studio

  • On the Debug menu, click Start Without Debugging.

To build and run the Versioning sample from the Command Line

  • Type the following at the command prompt:

    csc versioning.cs
    versioning
    

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