摘要：
using (System.Drawing.Bitmap bitmap = new System.Drawing.Bitmap(fullpath)){ using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bitmap)) //注意此处FromImage是方法，不能用new { g.DrawString("免费用户试用", new System.Drawing.Font("宋体", 40), System.Drawing.Brushes.Red, 0,0); //最后两个 阅读全文
