/// clsMci 的摘要说明。

　 ///

　 public class clsMCI

　 {

public clsMCI()

{

　 //

　 // 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(Unmana

private string Name = "" ;

[MarshalAs(UnmanagedType.ByValTStrwww.cechina.cn,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控制工程网版权所有,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.LengthCONTROL ENGINEERING China版权所有, 0);

　 ilong = APIClass.mciSendString("set media time format milliseconds", TemStr, TemStr.Length , 0);

　 mc.state = State.mStop;

}

catch

{

　 MessageBox.Show("出错错误!");

}

　 }

}

//播放

public void play()