public string FileName

        {

            get

            {

                return mc.iName;

            }

            set

            {

                //ASCIIEncoding asc = new ASCIIEncoding(); 

                try

                {

                    TemStr = "";

                    TemStr = TemStr.PadLeft(127, Convert.ToChar(" "));

                    Name = "";

                    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);

 

                    //这里的话单线程正常 而另起线程的话到这步则没有正确得到结果 参数都是一致的 怎么回事呢？

                    ilong = APIClass.mciSendString(Name, TemStr, TemStr.Length, 0);

 

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

                    mc.state = State.mStop;