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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)

'Declaration
Protected Friend Sub 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 Sub Remove(ByVal url As UrlConfigElement)
    If BaseIndexOf(url) >= 0 Then
        BaseRemove(url.Name)
        ' Your custom code goes here.
        Console.WriteLine("UrlsCollection: {0}", "Removed collection element!")
    End If
End Sub


.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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