Addresses the active component so that its properties can be read and set. ThisComponent is used from document Basic, where it represents the document the Basic belongs to. The type of object accessed by ThisComponent depends on the document type.
定位活动组件，以便读取和设置该组件的属性。文档的 Basic 宏使用 ThisComponent，用它来表示该 Basic 宏所从属的文档。 ThisComponent 访问的对象类型取决于文档类型。