using System.Text;
using System.Windows.Forms;
namespace test3
{
    public partial class Form1 : Form
    {
        private string strName = "D:/testout.bmp";
        public Form1()
        {
            InitializeComponent();
            Bitmap Bee = new Bitmap(200, 200);
            Graphics K = Graphics.FromImage(Bee);
            Pen pen = new Pen(Color.Yellow, 1);
            Point startPoint = new Point(1, 1);
            Point endPoint = new Point(100, 100);
            K.DrawLine(pen, startPoint, endPoint);
            pictureBox.Image = Bee;
//            K.Dispose();
            Bee.Save(strName, System.Drawing.Imaging.ImageFormat.Bmp);
        }
    }
}