using System.Collections.Generic; using System.Linq; namespace TelegramBotBase.Base { public class StateContainer { public List States { get; set; } public List ChatIds { get { return States.Where(a => a.DeviceId > 0).Select(a => a.DeviceId).ToList(); } } public List GroupIds { get { return States.Where(a => a.DeviceId < 0).Select(a => a.DeviceId).ToList(); } } public StateContainer() { States = new List(); } } }