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ElementInformation.Source Property

Gets the source file where the associated ConfigurationElement object originated.

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

public string Source { get; }

Property Value

Type: System.String
The source file where the associated ConfigurationElement object originated.

A ConfigurationElement object may be created in a default state, in which case this property returns null.

The following example shows how to use the Source property.

static public void GetElementSource()
    // Get the current configuration file.
    System.Configuration.Configuration config =

    // Get the section.
    UrlsSection section =

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

    // Get the element source file. 
    string sourceFile =

    Console.WriteLine("Url element source file: {0}",


.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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