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ConfigurationElementCollection.BaseClear Method

Removes all configuration element objects from the collection.

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

protected internal void BaseClear()

ExceptionCondition
ConfigurationErrorsException

The configuration is read-only.

- or -

A collection item has been locked in a higher-level configuration.

When the BaseClear method is called, it removes all ConfigurationElement objects from the collection. It also inserts a clear directive into the configuration file.

The following code example shows how to call the BaseClear method.

public void Remove(UrlConfigElement url)
{
    if (BaseIndexOf(url) >= 0)
    {
        BaseRemove(url.Name);
        // Your custom code goes here.
        Console.WriteLine("UrlsCollection: {0}", "Removed collection element!");
    }
}

.NET Framework

Supported in: 4.5.2, 4.5.1, 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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