 private void Open_Click(object sender, EventArgs e)
        {
            openFileDialog1.Filter = "gif Files|*.gif|Bitmap Files|*.bmp|Icon Files|*.ico|Jpg Files|*.jpg|RTL Files|*.rle";
            openFileDialog1.ShowDialog();
            if (openFileDialog1.FileName != "")
            {
                Image image;
                String fileName = openFileDialog1.FileName;
                image = new Bitmap(fileName);
                pictureBox1.Image = (Image)image;
                pictureBox1.Refresh();
            }
        }
