CounterViewModel.cs

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using System.Collections.ObjectModel;
using Dreamine.MVVM.Attributes;
using Dreamine.MVVM.ViewModels;
using SampleCrossUi.Shared.Models;
 
namespace SampleCrossUi.Shared.ViewModels;

public partial class CounterViewModel : ViewModelBase
{
    [DreamineEvent]
    private CounterEvent _event;

    public int Count => Event.Count;

    public ObservableCollection<CounterLogItem> Logs => Event.Logs;

    [DreamineCommand("Event.Increment")]
    private partial void Increment();

    [DreamineCommand("Event.Reset")]
    private partial void Reset();

    public CounterViewModel(CounterEvent @event)
    {
        ArgumentNullException.ThrowIfNull(@event);
 
        _event = @event;
        Event.CountChanged += (_, _) => OnPropertyChanged(nameof(Count));
    }
}