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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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