StrongManTwo的专栏

MD5 md5 = MD5.Create(); byte[] buffer = System.Text.Encoding.UTF8.GetBytes(msg); byte[] md5Buffer = md5.ComputeHash(buffer); StringBuilder sb = new StringBuilder();

Bitmap bitmap = new Bitmap(panel1.Height,panel1.Width); Graphics gc = Graphics.FromImage(bitmap); Pen pen = new Pen(Color.Purple); gc.DrawRectangle(pen, 0, 0, 40,40); SolidBrush brush = new SolidB