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        EEPW首頁 > 消費(fèi)電子 > 設(shè)計(jì)應(yīng)用 > C#中用API實(shí)現(xiàn)MP3等音頻文件的播放類

        C#中用API實(shí)現(xiàn)MP3等音頻文件的播放類

        作者: 時(shí)間:2009-06-15 來源:網(wǎng)絡(luò) 收藏

        public void StopT()

        {

          TemStr = ;

          TemStr = TemStr.PadLeft(128,Convert.ToChar( ));

          ilong = Class.mciSendString(close media, TemStr, 128, 0);

          ilong = Class.mciSendString(close all, TemStr, 128, 0);

          mc.state = State.mStop ;

        }

        public void Puase()

        {

          TemStr = ;

          TemS

        tr = TemStr.PadLeft(128,Convert.ToChar( ));

          ilong = Class.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;

        }

        //總時(shí)間

        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);

          }

        }

        //當(dāng)前時(shí)間

        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

        );

          }

        }


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