求一能播放mp3,wav,wma,mid文件的组件

Question

谢谢大虾们。

Answer 1

只能播放WAV,MP3
using System;   
using System.Runtime.InteropServices;    
using System.Text;    
using System.IO ;
namespace kkun.Util {
    /// <SUMMARY>   
    /// clsMci 的摘要说明。   
    /// </SUMMARY>   
    public class Mp3Player {
        public Mp3Player() {
            //   
            // TODO: 在此处添加构造函数逻辑   
            //   
        }        //定义API函数使用的字符串变量    
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
        private string Name = "";
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
        private string durLength = "";
        [MarshalAs(UnmanagedType.LPTStr, SizeConst = 128)]
        private string TemStr = "";
        int ilong;
        //定义播放状态枚举变量   
        public enum State {
            mPlaying = 1,
            mPuase = 2,
            mStop = 3
        };
        //结构变量   
        public struct structMCI {
            public bool bMut;
            public int iDur;
            public int iPos;
            public int iVol;
            public int iBal;
            public string iName;
            public State state;
        };        public structMCI mc = new structMCI();        //取得播放文件属性   
        public string FileName {
            get {
                return mc.iName;
            }
            set {
                //ASCIIEncoding asc = new ASCIIEncoding();    
                try {
                    TemStr = "";
                    TemStr = TemStr.PadLeft(127, Convert.ToChar(" "));
                    Name = Name.PadLeft(260, Convert.ToChar(" "));
                    mc.iName = value;
                    ilong = APIClass.GetShortPathName(mc.iName, Name, Name.Length);
                    Name = GetCurrPath(Name);
                    //Name = "open " + Convert.ToChar(34) + Name + Convert.ToChar(34) + " alias media";   
                    Name = "open " + Convert.ToChar(34) + Name + Convert.ToChar(34) + " alias media";
                    ilong = APIClass.mciSendString("close all", TemStr, TemStr.Length, 0);
                    ilong = APIClass.mciSendString(Name, TemStr, TemStr.Length, 0);
                    ilong = APIClass.mciSendString("set media time format milliseconds", TemStr, TemStr.Length, 0);
                    mc.state = State.mStop;
                } catch(Exception exp) {
                    Log.Error(exp);
                    //MessageBox.Show("出错错误!");
                }
            }
        }
        //播放   
        public void play() {
            TemStr = "";
            TemStr = TemStr.PadLeft(127, Convert.ToChar(" "));
            APIClass.mciSendString("play media", TemStr, TemStr.Length, 0);
            mc.state = State.mPlaying;
        }
        //停止   
        public void StopT() {
            TemStr = "";
            TemStr = TemStr.PadLeft(128, Convert.ToChar(" "));
            ilong = APIClass.mciSendString("close media", TemStr, 128, 0);
            ilong = APIClass.mciSendString("close all", TemStr, 128, 0);
            mc.state = State.mStop;
        }        public void Puase() {
            TemStr = "";
            TemStr = TemStr.PadLeft(128, Convert.ToChar(" "));
            ilong = APIClass.mciSendString("pause media", TemStr, TemStr.Length, 0);
            mc.state = State.mPuase;
        }
        private string GetCurrPath(string name) {
            if (name.Length < 1)
                return "";
            name = name.Trim();
            name = name.Substring(0, name.Length - 1);
            return name;
        }
        //总时间   
        public int Duration {
            get {
                durLength = "";
                durLength = durLength.PadLeft(128, Convert.ToChar(" "));
                APIClass.mciSendString("status media length", durLength, durLength.Length, 0);
                durLength = durLength.Trim();
                if (durLength == "")
                    return 0;
                return (int)(Convert.ToDouble(durLength) / 1000f);
            }
        }        //当前时间   
        public int CurrentPosition {
            get {
                durLength = "";
                durLength = durLength.PadLeft(128, Convert.ToChar(" "));
                APIClass.mciSendString("status media position", durLength, durLength.Length, 0);
                mc.iPos = (int)(Convert.ToDouble(durLength) / 1000f);
                return mc.iPos;
            }
        }
    }    public class APIClass {
        [DllImport("kernel32.dll", CharSet = CharSet.Auto)]
        public static extern int GetShortPathName(
         string lpszLongPath,
         string shortFile,
         int cchBuffer
        );        [DllImport("winmm.dll", EntryPoint = "mciSendString", CharSet = CharSet.Auto)]
        public static extern int mciSendString(
         string lpstrCommand,
         string lpstrReturnString,
         int uReturnLength,
         int hwndCallback
        );
    }
}
 #region 播放声音
        public delegate void PlayDelegate(string file);
        /// <summary>
        /// 播放声音
        /// </summary>
        /// <param name="file"></param>
        public static void Play(string file) {
            Mp3Player mp3 = new Mp3Player();
            mp3.FileName = file;
            mp3.play();
        }
        #endregion

Answer 2

自带的WindowsMediaPlaer不行么？

Answer 3

BASS 音频库http://www.un4seen.com/