public event OnCollectionRemoveCompleteEvent OnCollectionRemoveComplete;
 PropertyDescription 
   Event Name OnCollectionAdd  
    Delgate

public delegate void OnCollectionRemoveCompleteEvent(object source, XmlCollectionRemoveEventArgs args);

public class XmlCollectionRemoveEventArgs : EventArgs
{
    private int _index = -1;
    public XmlCollectionRemoveEventArgs(int index) { _index = index; }
    public int index { get { return _index; } } // the index of the item to be removed
}

 
  Description Fired After an item is removed from the collection.  
  Remarks