Start banch of files every day at specific time

ExeFileModel.cs

using System;

namespace RunFileLib
{
    public class ExeFileModel
    {
        public ExeFileModel()
        {
            LastStart = DateTime.Now.AddDays(-1);
        }
        public string PathFile { get; set; }

        public TimeSpan TimeExec { get; set; }

        public DateTime LastStart { get; set; }
    }
}

MainLogic.cs

using System;
using System.Collections.Generic;
using System.Configuration;

namespace RunFileLib
{

    public class MainLogic
    {
        public MainLogic()
        {
            FillDict();
        }

        private List<ExeFileModel> ListExeFileModel = new List<ExeFileModel>();

        private void FillDict()
        {
            int i=1;
            while (GetPath(i)!=null
                && GetTimeExec(i).HasValue)
            {
                ListExeFileModel.Add(new ExeFileModel()
                    {
                        PathFile = GetPath(i),
                        TimeExec = GetTimeExec(i).Value
                    });

                i++;
            }
        }

        public void RunFiles()
        {
            ListExeFileModel.ForEach(
                x =>
                {
                    if (DateTime.Now.TimeOfDay >= x.TimeExec
                        && x.LastStart.Date < DateTime.Now.Date)
                    {
                        System.Diagnostics.Process.Start(x.PathFile);
                        x.LastStart = DateTime.Now;
                    }
                }
                );
        }

        private string GetPath(int i)
        {
            return ConfigurationManager.AppSettings["file_path" + i];
        }

        private TimeSpan? GetTimeExec(int i)
        {
            return ConfigurationManager.AppSettings["time_exec" + i]==null?
                (TimeSpan?)null : TimeSpan.Parse(ConfigurationManager.AppSettings["time_exec" + i]);
        }
    }
}