修改视口视图和内容
 
 

To change the view within a Viewport object, you manipulate the view of a viewport you use its member properties. The following member properties allow you to adjust the display of the view in a viewport:

若要修改一个 Viewport 对象内部的视图,用户就必须使用视口的成员属性来操作视图。下面的成员属性允许用户调整视图在视口中的显示: