WMI Sample
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WMI Sample 

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This sample uses objects in the System.Management namespace to access Windows Management Instrumentation (WMI).

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.

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

  5. 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 run this sample

  • Press F5.


The two tabbed pages of the TabControl demonstrate two types of WMI tasks:

  • Queries   This one shows how to use the ManagementObjectSearcher object to query the following system information: Operating System Name, Version, Manufacturer, Computer name, and Windows Directory; Computer System Manufacturer, Model, System Type, and Total Physical Memory; Processor name; BIOS version; and Time zone. These queries are created using the SelectQuery class.

  • Objects   This one shows how to enumerate through the top-level WMI classes and all of their data management objects using the ManagementClass and EnumerationOptions classes.

See Also

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