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

GMap2类可以绘制地图并负责视图端口中的滚动和缩放事件。

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

GMap2类可以绘制地图并负责视图端口中的滚动和缩放事件。

youdao