Graphics竖排打印字体

g.DrawString("第一联白..存根联", fTitle, Brushes.Black, 250, 30, new StringFormat(StringFormatFlags.DirectionVertical));
g.DrawString("第二联红..随货同行联", fTitle, Brushes.Black, 250, 30, new StringFormat(StringFormatFlags.DirectionVertical));
g.DrawString("第三联黄..发货联", fTitle, Brushes.Black, 250, 30, new StringFormat(StringFormatFlags.DirectionVertical));