一个不错的曲线图控件源码,能够在属性中随意更改线条颜色,更改图例位置,坐标精度,还可以添加工具条,还有打印功能,能保存10幅图,并在a4纸上打印,有很高参考价值-a good curve control source, the properties can arbitrarily alter the lines of color, change Legend location coordinates precision tools can be added, Print functions, t