Simulating a text file WIP, C#

Language: Layout:

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //Create a new file
            TextFile jaredsFile = new TextFile();
            //Read the content of the file
            jaredsFile.ReadFile();
            
            string myLine;
            while (jaredsFile.FileHasMoreLines())
            {
                myLine = jaredsFile.NextLine();
                Console.WriteLine(myLine);
            }
        }
    }
    
    public class TextFile
    {
        private List<string> lines;
        private int nextLineIndex;
        
        ///Constructor
        public TextFile()
        {
            lines = new List<string>();
            nextLineIndex = 0;
        }
        
        ///Reads the file content
        public void ReadFile()
        {
            string newLine;
            newLine = Console.ReadLine();
            //Loop until the input is empty
            while (newLine != "")
            {
                //Add the line to the file
                lines.Add(newLine);
                //read the next line
                newLine = Console.ReadLine();
            }
        }
        
        ///Indicates if the file has reached its end
        public bool FileHasMoreLines()
        {
            return (nextLineIndex >= lines.Count());
        }
        
        public string NextLine()
        {
            string fileLine = "";
            //Only if there's content to return
            if (nextLineIndex < lines.Count())
            {
                fileLine = lines[nextLineIndex];
                nextLineIndex++;
            }
            return fileLine;
        }
    }
}

Show compiler warnings [ - ] Show input
Compilation time: 0,34 sec, absolute running time: 5,27 sec, cpu time: 5,02 sec, average memory usage: 31 Mb, average nr of threads: 5, absolute service time: 5,69 sec