/// 
    /// 打印    /// 
    public void PrintFile()    {        PrintDocument pri = new PrintDocument();        pri.PrintPage += Printpagetest;        pri.Print();    }    private void Printpagetest(object sender, PrintPageEventArgs e)    {        try        {            System.Drawing.Image image = System.Drawing.Image.FromFile(printPath);            System.Drawing.Graphics g = e.Graphics;            g.TranslateTransform(_4AHeight, 0);            g.RotateTransform(90);            g.DrawImage(image, 0, 0, _4AWidth, _4AHeight);        }        catch (Exception ee)        {            Debug.LogError(ee.Message);        }    }