Right Button Drag and Drop with Popup Menu 右键拖放弹出菜单(5KB) -Right Button Drag and Drop with Popup Menu Right-drag the pop-up menu (5KB)

完成了对于点、线的编辑功能，值得一提的是，可以完成对于点、线的拖拽功能。MFC描述 界面比较友好-Completed a point, line editing, it is worth mentioning is that you can complete for points, lines, drag and drop functionality. MFC describe the interface more friendly