---

Random rand = new Random();

for(int i = 0; i < 100; i++)
{
    int x = rand.Next(1000);
    int y = rand.Next(1000);
    int x_2 = rand.Next(1000);
    int y_2 = rand.Next(1000);
    int w = rand.Next(10);
    Pen ran_pen = new Pen(Color.FromArgb(rand.Next(256), rand.Next(256), rand.Next(256)),w);
    e.Graphics.DrawLine(ran_pen, x, y, x_2, y_2);
}