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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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