Removes all configuration element objects from the collection.
Assembly: System.Configuration (in System.Configuration.dll)
The configuration is read-only.
- or -
A collection item has been locked in a higher-level configuration.
When the method is called, it removes all ConfigurationElement objects from the collection. It also inserts a clear directive into the configuration file.
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.