第五次团队作业

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

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

      
       
        private void button1_Click(object sender, EventArgs e)//清空列表
        {
            listBox1.Items.Clear();
        }

       
        private void 打开文件ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            openFileDialog1.RestoreDirectory = false;
            openFileDialog1.Filter = "mp3|*.mp3|avi|*.avi";
            openFileDialog1.FilterIndex = 0;
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {

                if (!listBox1.Items.Contains(openFileDialog1.FileName))
                {
                    listBox1.Items.Add(openFileDialog1.FileName);
                    axWindowsMediaPlayer1.URL = openFileDialog1.FileName;
                    axWindowsMediaPlayer1.Ctlcontrols.play();
                }
            }
            

        }

        private void 打开目录ToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (folderBrowserDialog1.ShowDialog() == DialogResult.OK)
            {
                Getfiles(folderBrowserDialog1.SelectedPath);
            }
        }


        private void Getfiles(string path)//获取目录，
        {
            DirectoryInfo dir = new DirectoryInfo(path);
            foreach (FileInfo fi in dir.GetFiles("*.mp3"))//获取目录下mp3格式的文件
            {
                listBox1.Items.Add(fi.FullName);
            }
            foreach (DirectoryInfo di in dir.GetDirectories())//对于目录下的目录进行递归
            {
                Getfiles(di.FullName);
            }
        }

        private void Form1_DragDrop(object sender, DragEventArgs e)//获取文件
        {
            string[] filenames = (string[])e.Data.GetData(DataFormats.FileDrop);
            for (int i = 0; i < filenames.Length; i++)
            {
                if (!listBox1.Items.Contains(filenames[i]))
                    listBox1.Items.Add(filenames[i]);
            }
            axWindowsMediaPlayer1.URL = listBox1.Items[listBox1.Items.Count - 1].ToString();
        }
     

        private void button7_Click(object sender, EventArgs e)//下一曲
        {
            axWindowsMediaPlayer1.URL = listBox1.Items[listBox1.SelectedIndex + 1].ToString();
            listBox1.SetSelected(listBox1.SelectedIndex + 1, true);
            axWindowsMediaPlayer1.Ctlcontrols.play();
        }

        private void button5_Click(object sender, EventArgs e)//播放和暂停
        {
            if (axWindowsMediaPlayer1.playState == WMPLib.WMPPlayState.wmppsPlaying)
            {
                axWindowsMediaPlayer1.Ctlcontrols.pause();
                button5.Text = "播放";
            }
            else
            {
                axWindowsMediaPlayer1.Ctlcontrols.play();
                button5.Text = "暂停";
            }
        }

       

       

        private void button3_Click(object sender, EventArgs e)//上一曲
        {
            axWindowsMediaPlayer1.URL = listBox1.Items[listBox1.SelectedIndex - 1].ToString();
            listBox1.SetSelected(listBox1.SelectedIndex - 1, true);
            axWindowsMediaPlayer1.Ctlcontrols.play();
        }

   

    
    }
}