BreadthTraverse gets stuck somewhere. When I use the debug feature, Visual Studio hits an error and closes after line 173.

BinaryTree.cs

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

namespace BinaryTree
{
    class Program
    {
        static void Main(string[] args)
        {
        }
    }

    public class Node<T>
    {
        public T Value { get; set; }
        public Node<T> Right { get; set; }
        public Node<T> Left { get; set; }
        public bool Printed { get; set; }
        public int Count { get; set; }
    }

    public class BinaryTree<T>
    {
        private Node<T> root { get; set; }
        private Node<T> pointer { get; set; }

        public void Add(T value)
        {
            if (root == null)
            {
                root.Value = value;
                pointer = root;
            }
            else
            {
                if (root.Value == value)
                {
                   
                }
            }

        }







    }















}