摘要： 第一步：根据鼠标点击处的点，找到被选中的要素 1 public IFeature Find2(IPoint pPoint) 2 { 3 ITopologicalOperator pTopoOpe = pPoint as ITopologicalOperator; 4 double dis = m_pMapControl.ActiveView.ScreenDisplay.DisplayTransformation.FromPoints(5); 5 if (dis < 0.01) 6 ... 阅读全文