Pulsante avanti per picturebox c#

pulsante avanti per picturebox c#

  int count = +1;
        private void BtnNext_Click(object sender, EventArgs e)
        {
           if(count<7)
           {
               count++;
           }
            pictureBox1.Image=imageList1.Images[count];
           
        }
//with out using openfiledialog