private void frmMain_Load(object sender, EventArgs e)
        {
           
            try
            {
                using (StreamReader sr = new StreamReader(diskFile)) 
                {
                
                    string myItem = "";
                    while (sr.Peek() != -1)
                    {
                        myItem = sr.ReadLine();
                        lbItems.Items.Add(myItem);

                    }

                }

            }

            catch (Exception ex)
            {
                MessageBox.Show("An error occurred." + ex.Message);               
                
            }
        
        }