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 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.