ElementInformation.IsPresent Property

Definition

Namespace:

System.Configuration

Assembly:

System.Configuration.ConfigurationManager.dll

Source:

ElementInformation.cs

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

C#

public bool IsPresent { get; }

Property Value

Boolean

true if the associated ConfigurationElement object is in the configuration file; otherwise, false.

Examples

The following example shows how to use the IsPresent property.

C#

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());
}

Applies to