winfrom 播放音乐代码,CSharp代码库,德仔网

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【CSharp】 winfrom 播放音乐
作者:Dezai.CN / 发布于2013/1/4/ 735
using System;
using System.Collections.Generic;
 
using System.Text;
using System.Runtime.InteropServices;
using System.Windows.Forms;
 
namespace QiDian
{
   public class mp3
    {
     
        //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 iVol;
            //public int iBal;
            public string iName;
            public State state;
            public int iPos;
        };
 
        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
                {
                    
                }
            }
        }
        //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);
                durLength = durLength.Trim();
                mc.iPos = (int)(Convert.ToDouble(durLength) / 1000f);
                return mc.iPos;
            }
        }
        public bool IsEnd()
        {
            durLength = "";
            durLength = durLength.PadLeft(128, Convert.ToChar(" "));
            APIClass.mciSendString("status media length", durLength, durLength.Length, 0);
            durLength = durLength.Trim();
            string curLength;
            curLength = "";
            curLength = curLength.PadLeft(128, Convert.ToChar(" "));
            APIClass.mciSendString("status media position", curLength, curLength.Length, 0);
            curLength = curLength.Trim();
            if (curLength == durLength)
            {
                return true;
            }
            return false;
        }
    }
    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
        );
    }


调用:

mp3 mp3 = new mp3();
                    mp3.FileName = System.Windows.Forms.Application.StartupPath + "\\1.mp3";
                    mp3.play();


第二种:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Runtime.InteropServices;
 
namespace QiDian
{
  public  class mp2
    {
          
      
            #region - 属性 -
            [DllImport("winmm.dll")]
            static extern Int32 mciSendString(String command,
                StringBuilder buffer, Int32 bufferSize, IntPtr hwndCallback);
            /// <summary>       
            /// 临时音乐文件存放处       
            /// </summary>    
            private string m_musicPath = "";
            /// <summary>     
            /// 父窗体句柄      
            /// </summary>       
            private IntPtr m_Handle;
            #endregion
            #region - 构造函数 -
            /// <summary>     
            /// 创建Mp3播放类       
            /// </summary>      
            /// <param name="music">嵌入的音乐文件</param>        
            /// <param name="path">临时音乐文件保存路径</param>     
            /// <param name="Handle">父窗体句柄</param>       
            public mp2(Byte[] music, string path, IntPtr Handle)
            {
                try
                {
               CloseMedia();
             m_Handle = Handle;
                    m_musicPath = Path.Combine(path, "temp.mp3");
                  //using (FileStream fs = File.Create(m_musicPath))
               using (FileStream fs = new FileStream(m_musicPath, FileMode.Create))
                {
                    fs.Write(music, 0, music.Length);
                    fs.Flush();
                    fs.Close();
                    fs.Dispose();
 
                }                }
                catch (Exception)
                { }
            }
            /// <summary>       
            /// 创建Mp3播放类      
            /// </summary>     
            /// <param name="musicPath">要播放的mp3文件路径</param>     
            /// <param name="Handle">父窗体句柄</param>      
            public mp2(string musicPath, IntPtr Handle)
            {
                m_musicPath = musicPath;
                m_Handle = Handle;
            }
            public mp2(Byte[] music, IntPtr Handle) :
                this(music, @"C:\Windows\", Handle)
            { }
            #endregion
            #region - 播放音乐 -
            public void Open(string path)
            {
                if (path != "")
                {
                    try
                    { mciSendString("open " + path + " alias media", null, 0, m_Handle); mciSendString("play media", null, 0, m_Handle); }
                    catch (Exception) { }
                }
            }
            public void Open() { Open(m_musicPath); }
            #endregion
            #region - 停止音乐播放 -
            public void CloseMedia()
            {
                try
                {
                    mciSendString("close all", null, 0, m_Handle);
                }
                catch (Exception)
                { }
            }
            #endregion
        }
    }
调用:

 //加载音乐
                    mp2 mp3 = new mp2(Properties.Resources._1, Handle);
                    //音乐开始播放
                    mp3.Open();
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　播放音乐　
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