VB+MO实现用程序加载图层，设置区域、河流、城市的属性， 属性的标注和标注字体的设置，用Check控件控制图层的显示，选择ArcExplore Legend组件，添加Legend控制图层的标注。-VB+ MO realize program loading layer, set with regional, rivers, city properties, attribute marks and label font Settings, are affiliated with control

一个3D时钟显示系统源码，可以转动地球，选择城市，显示当地时钟。-A 3 d clock display system source code, can turn the earth, select cities, according to the local clock.