System.Xml.Schema.XmlSchemaObject.OnRemove C# (CSharp) Method

        internal virtual void OnRemove(XmlSchemaObjectCollection container, object item) {}
        internal virtual void OnClear(XmlSchemaObjectCollection container) {}

 protected override void OnSet(int index, object oldValue, object newValue)
 {
     if (_parent != null)
     {
         _parent.OnRemove(this, oldValue);
         _parent.OnAdd(this, newValue);
     }
 }