说明：  ST_Curve是一个功能非常强大的曲线绘制控件，其主要功能有： 可同时绘制多条曲线，可绘制实时曲线（此时将智能移动曲线已保证新添加的数据可见，功能跟CListCtrl的EnsureVisible函数差不多）；
(ST_Curve is a very powerful curve drawing controls, and its main functions are: to draw multiple curves simultaneously, you can draw real-time curve (in this case the smart move is to ensure that the newly added curve data, the function with the function of CListCtrl' s EnsureVisible almost) )