/// <param name="guid">命令按钮全局唯一标识符。</param>

        /// <returns>返回工具条项目。</returns>

        ICommandItem RegisterCommandItem(ICommandObject cmd, CommandTypeEnum cmdType, GuidClass guid);

        /// <summary>

        /// 从配置文件中注册所有已配置的命令按钮项目。

        /// </summary>

        /// <param name="exeConfigPath">配置文件路径</param>

        void RegisterCommandItemFromConfiguration(string exeConfigPath);

        /// <summary>

        /// 注销所有命令按钮。

        /// </summary>

        void UnRegisterAll();

        /// <summary>

        /// 注销指定全局唯一标识符的命令项目。

        /// </summary>

        /// <param name="cmdID">命令按钮全局唯一标识符。</param>

        void UnRegisterCommandItem(GuidClass cmdID);

}

再如：

/// <summary>

    ///从XML文件中提取工具条和按钮,动态生成系统菜单,菜单生成算法存储于菜单生成指导者类.

    /// </summary>

    public class XmlCommandBuilder:ICommandBuilder

    {

        #region private and protected members

        private ICommandBars iCmdBars;

        private List<ICommandBar> _cmdBarList;

        /// <summary>

        /// xml document.

        /// </summary>

        protected XmlDocument _document;

        /// <summary>

        /// tool bar item command id.

        /// </summary>

        protected readonly static string COMMAND_ITEM_GUID = "commandid";

        #endregion

        /// <summary>

        /// 构造函数。

        /// </summary>

        /// <param name="xmlConfigPath">工具条配置文件路径。</pa