using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using System.Threading;
 
namespace AboutProject
{
    class About
    {
        FontFamily myFontFamily = new FontFamily("Times New Roman");
        Font myFont;
        PictureBox pBox;
 
        double y = 0;
 
        public About(PictureBox p)
        {
            myFont = new Font(myFontFamily, 20, FontStyle.Regular, GraphicsUnit.Pixel);
            Linee = new List<string>();
            pBox = p;
        }
 
        public List<String> Linee { get; set; }
       
        //Avvia il thread
        public void Start()
        {
            Thread t = new Thread(tStart);
            t.Start();
        }
 
        private void tStart()
        {
            for (int l = 0; l < Linee.Count; l++)
            {
                y = 0;
                for (int i = 0; i <= 36; i++)
                {
                    Thread.Sleep(30);
                    if (pBox.Created == false)
                        return;
                    pBox.CreateGraphics().Clear(Color.White);
                    float tmpY = (float)Math.Pow(float.Parse((10 * Math.Sin(y) / y).ToString()), 2);
                    pBox.CreateGraphics().DrawString(Linee[l], myFont, Brushes.Blue, 10, tmpY);
                    y = y + 0.5;
                    Thread.Sleep(30);
                }
            }
            tStart();
        }
    }
}

            
    About a = new About(pictureBox1);
    a.Linee.Add("Questo");
    a.Linee.Add("è");
    a.Linee.Add("un");
 
    a.Linee.Add("esempio");
 
    a.Linee.Add("creato da");
    a.Linee.Add("Giuseppe Iemma");
    a.Linee.Add("e disponibile su");
    a.Linee.Add("www.myvirtuallab.org");
    a.Start();