AwsomeWPF/Awesomness.GUI/ViewModels/DataBoxViewModel.cs

using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Awesomeness.GUI.ViewModels;
public partial class DataBoxViewModel : ObservableObject
{
    [ObservableProperty]
    public string aFantasticString = "Awesome!";

    public ObservableCollection<User> Users { get; } = new();

    public DataBoxViewModel()
    {
        // Generate 10 random users
        var random = new Random();
        for (int i = 0; i < 10; i++)
        {
            Users.Add(new User
            {
                Name = $"User {i}",
                Age = random.Next(18, 100)
            });

        }

    }

    [RelayCommand]
    public void AddUser()
    {
        Users.Add(new User
        {
            Name = "New User",
            Age = 42
        });
    }

    [RelayCommand]
    public void RemoveUser(User user)
    {
        Users.Remove(user);
    }
}