/// <summary> /// 克隆 /// </summary> /// <returns>SQL元素集合</returns> public virtual object Clone() { SqlElementCollection collection = new SqlElementCollection(); foreach (SqlElement item in this) { collection.Add(item.Clone() as SqlElement); } return(collection); }
/// <summary> /// 创建子对象集合。 /// </summary> protected void CreateChildCollection() { this.childCollection = new SqlElementCollection(); }