public CenterSeverData(int Max)
 {
     ip         = new NetIP();
     Devicedata = new DeviceData[Max];
     Userdata   = new UserData[Max];
     for (int i = 0; i < Max - 1; i++)
     {
         Devicedata[i] = null;
         Userdata[i]   = null;
     }
 }
 public UserData()
 {
     DeviceID = null;
     ip       = new NetIP();
 }
 public DeviceData()
 {
     ip            = new NetIP();
     barvolumedata = new barvolumedata();
 }