UP_WPF/UP_Venediktov/Classes/FrameClass.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Controls;
using UP_Venediktov.Classes;
using UP_Venediktov.Pages;
using UP_Venediktov.ModelBase;

namespace UP_Venediktov.Classes
{
    internal class FrameClass
    {
        public static Frame MainFrame;
    }
}