LoadingProgress.cs

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

namespace MultiLayout
{
    public class LoadingProgress : INotifyPropertyChanged
    {
        public int Progress { get; set; }

        public int MaxValue { get; set; } = 100;

        public event PropertyChangedEventHandler PropertyChanged;
    }
}