GMap2类可以绘制地图并负责视图端口中的滚动和缩放事件。

The GMap2 class draws the map and responds appropriately to scrolling and zooming events in the viewport.

youdao

GMap2类可以绘制地图并负责视图端口中的滚动和缩放事件。

The GMap2 class draws the map and responds appropriately to scrolling and zooming events in the viewport.

youdao