C# - Arraylist in Textdatei schreiben

using System.Collections;

private void ArraylistToText(ArrayList AL, string Pfad)
{
    System.IO.StreamWriter sr = new System.IO.StreamWriter(Pfad, false, System.Text.Encoding.Default);
    for (int i = 0; i < AL.Count; i++)
        sr.WriteLine((string)AL[i]);
    sr.Close();
}