regarding windows application using c#

Question

hi,

i am using the following code to show an image of finger print on touching finger in finger print device  when i connect a finger print device in our pc.

 i am using windows application using c#.

  private void axZKFPEngX1_OnImageReceived(object sender, AxZKFPEngXControl.IZKFPEngXEvents_OnImageReceivedEvent e)

        {

            

            MessageBox.Show("hello");

           

           // axZKFPEngX1.OnImageReceived;

            System.Drawing.Graphics canv;

            canv = pictureBox1.CreateGraphics();

            //canv = pictureBox1.CreateGraphics().ToString();

            IntPtr dc = canv.GetHdc();

            axZKFPEngX1.PrintImageAt(dc.ToInt32(), 0, 0, pictureBox1.Width, pictureBox1.Height);

            

            canv.Dispose();

        }

but no result is takes.no error.

please give me the solution if any.....