public static Data_User FileUserToDataUser(File_User user)
 {
     return(new Data_User
     {
         IP = user.IP,
         HeadImage = user.HeadImage,
         Name = user.Name,
         OnlineStatus = user.OnlineStatus,
         RequestTime = DateTime.Now.Ticks
     });
 }
 public static User FileUserToViewUser(File_User user)
 {
     return(new User
     {
         IP = new IPAddress(user.IP),
         Name = user.Name,
         NickName = user.NickName,
         OnlineStatus = OnlineStatus.Offline,
         LastResponsedTime = new DateTime(user.LastResponsedTime),
         HeadImage = ImageHelper.BytesToBitmapImage(user.HeadImage),
         IsTop = user.IsTop,
         IsMuted = user.IsMuted
     });
 }