private void SaveRecentFile(string path)
        {

            LoadRecentList();
            if (!(RecentList.Contains(path)))
                RecentList.Enqueue(path);
            while (RecentList.Count > RecentListNumber)
            {
                RecentList.Dequeue();
            }

            StreamWriter stringToWrite = new StreamWriter(System.Environment.CurrentDirectory + "\\Recent.txt");
            foreach (string item in RecentList)
            {
                stringToWrite.WriteLine(item);
            }
            stringToWrite.Flush();
            stringToWrite.Close();
        }

        private void LoadRecentList()
        {
            RecentList.Clear();
            try
            {
                StreamReader listToRead = new StreamReader(System.Environment.CurrentDirectory + "\\Recent.txt");
                    //read file stream
                string line;
                while ((line = listToRead.ReadLine()) != null) //read each line until end of file
                    RecentList.Enqueue(line); //insert to list
                listToRead.Close(); //close the stream
            }
            catch (Exception)
            {

            }