z1rssv

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;

namespace RSSVLV2Z1
{
    public partial class Form1 : Form
    {
        private System.Timers.Timer t;
        private string datoteka = "podaci.txt";
        private int kriticnaVrijednost;
        private StreamReader fileStream;

        public Form1()
        {
            InitializeComponent();
            fileStream = new StreamReader(datoteka);
            t = new System.Timers.Timer(1000);
            t.Elapsed += new System.Timers.ElapsedEventHandler(vrijeme);
        }

        private void vrijeme(Object s, System.Timers.ElapsedEventArgs e)
        {
            string line;
            int vrijednost;

            if (tb_Kriticna.Text != "")
                int.TryParse(tb_Kriticna.Text, out kriticnaVrijednost);
            else
                kriticnaVrijednost = int.MaxValue;

            if ((line = fileStream.ReadLine()) != null)
            {
                int.TryParse(line, out vrijednost);

                rtbx_Podaci.Text += line + "\n";

                if (vrijednost > kriticnaVrijednost)
                    lbl_Poruka.Text = String.Format("Pročitana vrijednost {0} je veća od kritične vrijednosti {1}.", vrijednost, kriticnaVrijednost);
            }
        }

        private void btn_Izlaz_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        private void btn_Start_Stop_Click(object sender, EventArgs e)
        {
            if (t.Enabled == false)
            {
                t.Start();
                btn_Start_Stop.Text = "Zaustavi";
            }
            else
            {
                t.Stop();
                btn_Start_Stop.Text = "Pokreni";
            }
        }
        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            fileStream.Close();
        }
    }
}