/// <summary>
 /// 从<see cref ="ConfigurationElementCollection"/>中删除指定的<see cref ="InterceptContractElement"/>.
 /// </summary>
 /// <param name="contract"><see cref ="InterceptContractElement"/>删除.</param>
 public void Remove(InterceptContractElement contract)
 {
     base.BaseRemove(this.GetElementKey(contract));
 }
 /// <summary>
 /// 将指定的<see cref ="InterceptContractElement"/>添加到<see cref ="ConfigurationElementCollection"/>.
 /// </summary>
 /// <param name="contract"><see cref="InterceptContractElement"/> 添加.</param>
 public void Add(InterceptContractElement contract)
 {
     base.BaseAdd(contract);
 }