刪除Player上指定的媒體檔案

 #region 磁碟空間管理：刪除Player上指定的媒體檔案

public void CommandSetManageDisk(byte gid, byte did,string deletestring)
        {
//   分包發送
            string ManageDiskStr = deletestring;
byte i = 0;
            Encoding GB2312Encoding = UnicodeEncoding.GetEncoding("GB2312");
byte[] ManageDisk = GB2312Encoding.GetBytes(ManageDiskStr);
byte [] myManageDisk = new byte [300];
int txtLength = ManageDisk.Length;

int packetizationtimer = txtLength / 300;
int packetizationresidue = txtLength % 300;
int packetizationsender;
//如果沒有餘數，發包時就不用多發一次 
            if (packetizationresidue > 0)
            {
                packetizationsender = packetizationtimer + 1;
            }
else
            {
                packetizationsender = packetizationtimer;
            }
//開始分包發送
            for (i = 0; i < packetizationsender; i++)
            {
if (i < packetizationtimer)
                {
                    Array.Copy(ManageDisk, i * 300, myManageDisk, 0, 300);
                }
else
                {
                    Array.Copy(ManageDisk, i * 300, myManageDisk, 0, packetizationresidue);
                }

                PlayerMessages.SetManageDisk setmanagedisk  = new PlayerMessages.SetManageDisk();
                setmanagedisk.direct = 0x02;
                setmanagedisk.category = 0x03;
                setmanagedisk.type = 0x10;

                setmanagedisk.GroupID = gid ;
                setmanagedisk.DeviceID = did ;
                setmanagedisk.Sequence = i;
                setmanagedisk.size  = 300;
if (i == (packetizationsender-1)) {

                     setmanagedisk.Sequence=0xFF;
                     setmanagedisk.size  =(ushort)packetizationresidue;

                 }

                setmanagedisk.DeleteFile = myManageDisk;

byte[] data = PlayerMessages.StructToBytes(setmanagedisk);
                ssock.OnUDPDataSend(data);
            }
        }

PlayerMessages.SetManageDisk 是struct，UDP包的資料結構
setmanagedisk.Sequence = i;表示包的序號，0xFF表示最後一個包