三、依赖类型：
copyright:emperor electric technology of ShenZhen author:tangyingzhong contact:[email protected] version:v1.0.0 date:2018/2/7
如上图所示：Empty为void; EventHandler<TEventArgs>为模板类本身;
pHandle为函数指针，由用户自定义实现。
copyright:emperor electric technology of ShenZhen author:tangyingzhong contact:[email protected] version:v1.0.0 date:2018/2/7