RKIS/Task1/ViewModel/UserWindowVM.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Collections.ObjectModel;

namespace Task1.ViewModel
{
    class UserWindowVM : BaseViewModel
    {
        private ObservableCollection<User> _users;
        private User _user;
        private string _fio;
        private string _phone;
        private string _login;
        private RelayCommand _listTask;
        private RelayCommand _exit;

        public RelayCommand Exit
        {
            get
            {
                return _exit ??
                (_exit = new RelayCommand((x) =>
                {
                    new MainWindow().Show();
                    Helper.CloseWindowsAtType<UserWindow>();
                }));
            }
        }
        public RelayCommand ListTask
        {
            get
            {
                return _listTask??
                (_listTask = new RelayCommand((x) =>
                {
                    new TaskWindow().Show();
                    Helper.CloseWindowsAtType<UserWindow>();
                }));
            }

        }


        public ObservableCollection<User> Users
        {
            get => _users;
            set
            {
                _users = value;
                OnPropertyChanged();
            }
        }

        public User User
        {
            get => _user;
            set
            {
                _user = value;
                OnPropertyChanged();
            }
        }
       

        public string FIO
        {
            get => _fio = User.AUser.Surname + " " + User.AUser.Name + " " + User.AUser.Patronimyc;
        }
        public string Phone
        {
            get => _phone = User.AUser.Phone;
        }
        public string Login
        {
            get => _login = User.AUser.Login;
        }
        public UserWindowVM()
        {
            TaskContext taskContext = new TaskContext();
            _users = new ObservableCollection<User>(taskContext.Users);
            _user = new User();
        }


    }
}