.net PrintDocument DrawString 打印问题

Question

ev.Graphics.DrawString("*2051370400000062422010090*", sampletitlefont, Brushes.Black, drawRect)打印条码的时候，标签纸放不下，字体是C39HrP72DlTt， 字体大小是24不能改，能不能让它打印出来的时候变窄一点
急急在线等 

Answer 1

ev.Graphics.ScaleTransform(0.8, 1);
ev.Graphics.DrawString("*2051370400000062422010090*", sampletitlefont, Brushes.Black, drawRect);

Answer 2

ev.Graphics.ScaleTransform(0.8, 1);
0.8 不能转换为float

Answer 3

ev.Graphics.ScaleTransform(0.8f, 1);