WPF_Practice/PacticeSolution/DataBindByINotifyPropertyChangedSample/Model/User.cs

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

namespace DataBindByINotifyPropertyChangedSample.Model
{
    internal class User : INotifyPropertyChanged
    {
        private string _firstName;
        private string _lastName;

        public event PropertyChangedEventHandler PropertyChanged;

        public string FirstName
        {
            get { return _firstName; }
            set
            {
                _firstName = value;
                OnPropertyChanged();
            }
        }
        
        public string LastName
        {
            get { return _lastName; }
            set
            {
                _lastName = value;
                OnPropertyChanged();
            }
        }

        private void OnPropertyChanged([CallerMemberName] string propertyName = null)
        {
            if (this.PropertyChanged == null)
                return;

            this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
        }
    }
}