Public Shared Sub UnProtectSection() 

    ' Get the current configuration file.
    Dim config _
    As System.Configuration.Configuration = _
    ConfigurationManager.OpenExeConfiguration( _
    ConfigurationUserLevel.None)

    ' Get the section.
    Dim section As UrlsSection = _
    CType(config.GetSection("MyUrls"), UrlsSection)

    ' Unprotect (decrypt)the section.
    section.SectionInformation.UnprotectSection()

    ' Force the section information to be written to
    ' the configuration file.
    section.SectionInformation.ForceDeclaration(True)

    ' Save the decrypted section.
    section.SectionInformation.ForceSave = True

    config.Save(ConfigurationSaveMode.Full)

    ' Display the decrypted configuration 
    ' section. 
    Dim sectionXml As String = _
    section.SectionInformation.GetRawXml()

    Console.WriteLine("Decrypted section:")
    Console.WriteLine(sectionXml)

End Sub 'UnProtectSection 

static public void UnProtectSection()
{

    // Get the current configuration file.
    System.Configuration.Configuration config =
            ConfigurationManager.OpenExeConfiguration(
            ConfigurationUserLevel.None);


    // Get the section.
    UrlsSection section =
        (UrlsSection)config.GetSection("MyUrls");


    // Unprotect (decrypt)the section.
    section.SectionInformation.UnprotectSection();

    // Force the section information to be written to
    // the configuration file.
    section.SectionInformation.ForceDeclaration(true);

    // Save the decrypted section.
    section.SectionInformation.ForceSave = true;

    config.Save(ConfigurationSaveMode.Full);

    // Display the decrypted configuration 
    // section. 
    string sectionXml =
        section.SectionInformation.GetRawXml();

    Console.WriteLine("Decrypted section:");
    Console.WriteLine(sectionXml);

}