myplayer.doc

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Net;

namespace stduenthelper
{
public partial class MPlayer
{
private WMPLib.WindowsMediaPlayer myPlayer =new WMPLib.WindowsMediaPlayer();

private string[] playList = new string[1000];

private int numOfMusic = 0;

private static int currentPlay = 0;

/// <summary>
/// 当前播放的列表
/// </summary>
public int CurrentPlay
{
get { return currentPlay; }
}

public MPlayer(WMPLib.WindowsMediaPlayer mediaPlayer)
{

myPlayer = mediaPlayer;

playList = new string[1000];

numOfMusic = 0;

}
/// <summary>
/// 总共有多少首歌
/// </summary>
public int NumOfMusic
{

get
{

return numOfMusic;

}

}

/// <summary>
///播放状态
/// </summary>
public WMPLib.WMPPlayState playstate
{

get
{
return myPlayer.playState;
}

}

/// <summary>
/// 返回列表中指定的歌曲
/// </summary>
/// <param name="num"></param>
/// <returns></returns>
public string PlayList(int num)
{
return playList[num];
}

/// <summary>
/// 添加歌曲
/// </summary>
/// <param name="path"></param>
public void AddFile(string path)
{

if (numOfMusic < 1000)
{
numOfMusic++;
playList[numOfMusic] = path;

}
}

/// <summary>
/// 删除歌曲
/// </summary>
/// <param name="selectNum"></param>
public void DelFile(int selectNum)
{

for (int i = selectNum; i <= numOfMusic - 1; i++)
{

playList[i] = playList[i + 1];

}

numOfMusic--;

}

/// <summary>
/// 播放
/// </summary>
/// <param name="selectNum"></param>
public void play(int selectNum)
{

myPlayer.URL = playList[selectNum];

currentPlay = selectNum;
}

/// <summary>
/// type = 0 顺序 type = 1 重复播放全部 type = 2 重复播放一首 type = 3 随机播放
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public 　int NextPlay(int type)
{

/*

*/

switch (type)
{

case 0:

currentPlay++;

if (currentPlay > numOfMusic) return 0;

else return currentPlay;

case 1:

currentPlay++;

if (currentPlay > numOfMusic) return 1;

else return currentPlay;

case 2:

return currentPlay;

case 3:

Random rdm = new Random(unchecked((int)DateTime.Now.Ticks));

currentPlay = rdm.Next() % numOfMusic;

if (currentPlay == 0) return numOfMusic;

else return currentPlay;

default:

return 0;

}

}
}

}