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

namespace Login.Services
{
    public abstract class Model : INotifyPropertyChanged
    {
        private PropertyChangedEventHandler propertyChanged;

        public event PropertyChangedEventHandler PropertyChanged
        {
            add { propertyChanged += value; }
            remove { propertyChanged -= value; }
        }

        protected void RaisePropertyChanged ( string propertyName )
        {

            OnPropertyChanged(new PropertyChangedEventArgs(propertyName));
        }

        protected virtual void OnPropertyChanged ( PropertyChangedEventArgs e )
        {
            if ( propertyChanged != null ) { propertyChanged(this, e); }
        }
    }
}