Base view model Xamarin.Forms

baseviewmodel.cs

using System;
using System.ComponentModel;
using System.Runtime.CompilerServices;
namespace Dexpee
{
	public class BaseViewModel : INotifyPropertyChanged
	{
		public event PropertyChangedEventHandler PropertyChanged;
		protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
		{
			PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
		}
	}
}