OpenFileDialog的简单使用方法

　　　　OpenFileDialog ofd = new OpenFileDialog();
            ofd.InitialDirectory = Environment.CurrentDirectory;
            ofd.Filter = "txt files (*.txt)|*.txt";
            if (ofd.ShowDialog() == DialogResult.OK)
            {
                string fileName = ofd.FileName;
                string strline = "";
                using (StreamReader sr = new StreamReader(fileName, Encoding.Default))
                {
                    while ((strline = sr.ReadLine()) != null)
                    {
                        string[] strWord = strline.Split('|');
                        ListViewItem lvi = new ListViewItem();
                        lvi.SubItems[0].Text = strWord[0];
                        lvi.SubItems.Add(strWord[1]);
                        lvAccount.Items.Add(lvi);
                    }
                }
            }