C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using SaveLoadNamespace;
using WarningsNamespace;
using System.Text.RegularExpressions;

namespace test7
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        SaveLoadClass slc = new SaveLoadClass();
        WarningsClass wc = new WarningsClass();


        string tampon;
        private void buttonSave_Click(object sender, EventArgs e)
        {
            if (checkBox1.Checked)
            {
                tampon = "checkBox = true" + "\r\n";
            }
            else
            {
                tampon = "checkBox = false" + "\r\n";
            }

            tampon += "numericUpDown = " + numericUpDown1.Value.ToString() + "\r\n"; ;
            tampon += "comboBox = " + comboBox1.Text + "\r\n"; ;

            slc.file_SaveFile(tampon); label2.Text = wc.w2;

        }

        string buffer, s = ""; int i, j = 0;
        private void buttonLoad_Click(object sender, EventArgs e)
        {
            //STRING MANIPULATION !!!
            slc.file_LoadFile(); label1.Text = buffer = slc.textToLoadInto; label3.Text = wc.w5;

            #region <_____ NumericUpDown _____>
            //NumericUpDown
            if (buffer.Contains("numericUpDown"))//if that,then should goto there
            {
                i = buffer.IndexOf("numericUpDown");
                s = buffer.Remove(0, i); //remove the Begining of string
                if (s.Contains("\r\n"))  //folowing operations remove the Ending part of the string
                {
                    i = s.IndexOf("\r\n");
                    j = s.Length - i;
                    s = s.Remove(i, j);
                }
                if (s.Contains("="))
                {
                    i = s.IndexOf("=") + 1;
                    s = s.Remove(0, i).Trim();
                }

                i = int.Parse(s);
                numericUpDown1.Value = i;
            }
            #endregion >NumericUpDown-END<

            #region <_____ checkBox _____>
            //checkBox
            if (buffer.Contains("checkBox"))//if that,then should goto there
            {
                i = buffer.IndexOf("checkBox");
                s = buffer.Remove(0, i); //remove the Begining of string
                if (s.Contains("\r\n"))  //folowing operations remove the Ending part of the string
                {
                    i = s.IndexOf("\r\n");
                    j = s.Length - i;
                    s = s.Remove(i, j);
                }
                if (s.Contains("="))
                {
                    i = s.IndexOf("=") + 1;
                    s = s.Remove(0, i).Trim(); 
                }

                if (s.Contains("true"))//s.Contains here is for: in case of whitespaces
                {
                    checkBox1.Checked = true;
                }
                if (s.Contains("false"))
                {
                    checkBox1.Checked = false;
                }
            }
            #endregion >checkBox-END<

            #region <_____ comboBox _____>
            //comboBox
            if (buffer.Contains("comboBox"))//if that,then should goto there
            {
                i = buffer.IndexOf("comboBox");
                s = buffer.Remove(0, i); //remove the Begining of string
                if (s.Contains("\r\n"))  //folowing operations remove the Ending part of the string
                {
                    i = s.IndexOf("\r\n");
                    j = s.Length - i;
                    s = s.Remove(i, j);
                }
                if (s.Contains("="))
                {
                    i = s.IndexOf("=") + 1;
                    s = s.Remove(0, i).Trim();
                }

                comboBox1.Text = s;
            }
            #endregion >comboBox-END<


        }
    }
}