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ElementInformation.IsPresent Property

Gets a value indicating whether the associated ConfigurationElement object is in the configuration file.

Namespace:  System.Configuration
Assembly:  System.Configuration (in System.Configuration.dll)

public bool IsPresent { get; }

Property Value

Type: System.Boolean
true if the associated ConfigurationElement object is in the configuration file; otherwise, false.

The following example shows how to use the IsPresent property.


static public void IsElementPresent()
{
    // Get the current configuration file.
    System.Configuration.Configuration config =
            ConfigurationManager.OpenExeConfiguration(
            ConfigurationUserLevel.None);

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

    // Get the element.
    UrlConfigElement url = section.Simple;

    bool isPresent =
        url.ElementInformation.IsPresent;
    Console.WriteLine("Url element is present? {0}",
        isPresent.ToString());


}


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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