示范在SuperMap Objects 是用来跟踪显示目标的一个属性，从下拉列表选择图层,然后通过鼠标的移动可以随时改变跟踪的对象。-Demonstration in SuperMap Objects is used to track the target is an attribute, select the layer from the drop-down list, and then move the mouse to track the object can be changed at

主要介绍IMap接口的一般用法，C#+ArcGIS Engine-General usage of the introduce IMap interface，The IMap interface is a starting point for many of the tasks one does with a map. For example, you can use IMap to add, delete, and access map layers containing data from