kugou song list to song list

c#:songlist

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml;
using System.IO;

namespace songlist
{
    public partial class Form1 : Form
    {
        private String fileName;
        private String content;
        public Form1()
        {
            InitializeComponent();
            this.textBox1.ReadOnly = true;
        }


        private void textBox1_DragDrop(object sender, DragEventArgs e)
        {
            Array aryFiles = ((System.Array)e.Data.GetData(DataFormats.FileDrop));
            if (aryFiles.Length == 1)
            {
               fileName= aryFiles.GetValue(0).ToString();
                StreamReader reader = new System.IO.StreamReader(fileName, System.Text.Encoding.GetEncoding("utf-8"), true);
                XmlTextReader xmltxtrd = new XmlTextReader(reader);

                while (xmltxtrd.Read())
                {
                    if (xmltxtrd.NodeType == XmlNodeType.Element && xmltxtrd.Name == "FileName")
                    {
                        content += xmltxtrd.ReadElementContentAsString() + "\r\n";
                    }
                }
                this.textBox1.Text = content;
            }
        }

        private void textBox1_DragEnter(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(DataFormats.FileDrop))
                e.Effect = DragDropEffects.Link;
            else
                e.Effect = DragDropEffects.None;
        }
    }
}