private void AddTxtToLst(string path,ListBox lst)
{
    StreamReader file = new StreamReader(path,Encoding.Default);
    string s = "";
    while (s != null)
    {
        s = file.ReadLine();
        if (!string.IsNullOrEmpty(s))
            lst.Items.Add(s);
    }
    file.Close();
}
//csharp/6993