ARCEngine 添加创建线要素

添加线rn添加线的方法跟添加点一样,不同的只是地物类型不一样而已,我把代码贴出来,大家跟添加点的方式进行对比。这样便于记忆。也有利于理解。rnpublic void AddLineByWrite()rnrnIFeatureLayer l = MapCtr.Map.get_Layer(0) as IFeatureLayer;rnIFeatureClass fc = l.FeatureClass ;