int left = 39;
int top = 39;
e.Graphics.DrawLine(myPen, left + i * 75, top + 38, left + i * 75, 77+24*8);//top+38是顶点(77),top230是尾点(77+24*8) (y1和y2的距离)每行高24
int left = 39;
int top = 39;
e.Graphics.DrawLine(myPen, left + i * 75, top + 38, left + i * 75, 77+24*8);//top+38是顶点(77),top230是尾点(77+24*8) (y1和y2的距离)每行高24