Removes all elements in the collections of child and parent site map nodes that the StaticSiteMapProvider tracks as part of its state.
Assembly: System.Web (in System.Web.dll)
Classes that are derived from the StaticSiteMapProvider class can override the method to perform additional cleanup, depending on what state the derived classes maintain.
The following code example demonstrates how to override the method to perform additional cleanup of state that is maintained by the class.
This code example is part of a larger example provided for the StaticSiteMapProvider class.