BeWoPlaner/BeWo/MainSessionSingleton.cs

using BS.Shared;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BeWo
{
    public class MainSessionSingleton
    {
        private static MainSessionSingleton instance = null;
        private static readonly object padlock = new object();

        public ObservableCollection<UserRightType> LoggedOnUsersRights { get; set; }

        MainSessionSingleton()
        {
        }

        public static MainSessionSingleton Instance
        {
            get
            {
                lock (padlock)
                {
                    if (instance == null)
                    {
                        instance = new MainSessionSingleton();
                    }
                    return instance;
                }
            }
        }
    }
}