更新时间：2021-12-15 21:58:35
使用可接受两个PointF结构的Graphics.DrawLine重载:^ ]
Use the Graphics.DrawLine overload that accepts two PointF structures: http://msdn.microsoft.com/en-us/library/aa327557(v=vs.71)[^]
如何用PointF类型的两个点画一条线?
