vpenades.MonoScene/demos/MonoSceneViewer/MonoGameControls/ViewModel.cs

using System.ComponentModel;
using System.Runtime.CompilerServices;

namespace MonoGame.WpfCore.MonoGameControls
{
    public class ViewModel : INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged;

        protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }
    }
}