动态显示对象信息代码，在CAD中，鼠标移动到对象上时，会自动显示对象的信息-Dynamic display object code, move the mouse to the object in the CAD will automatically display the information of the object

matlab代码，移动鼠标，当鼠标至图形上方，自动显示图形属性。-matlab code, move the mouse, when the mouse to the top of the graph automatically display graphics properties.