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

namespace zad1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            FolderBrowserDialog fbd = new FolderBrowserDialog();
            fbd.RootFolder = Environment.SpecialFolder.MyComputer;
            if (fbd.ShowDialog() == DialogResult.OK)
            {
                string katalog = fbd.SelectedPath;
                analizuj(new DirectoryInfo(katalog));
            }
        }
        void analizuj(DirectoryInfo di)
        {
            FileInfo[] fi = di.GetFiles("*.*");
            DirectoryInfo[] kat = di.GetDirectories();
            listBox1.Items.Add("Plik w katalogu " + di.FullName);
            FileInfo naj = null;

            foreach (FileInfo plik in fi)
            {
                if(naj == null && plik.Length > 1024 * 1024 * 10)
                {
                    naj = plik;
                }
                else
                {
                    if ((plik.CreationTime.Month >= 10) && (plik.CreationTime.Year >= 2016) && (plik.CreationTime.Day >= 1) && (plik.Length > 1024 * 1024))
                    {
                        naj = plik;
                    }
                }

            }

            if(naj == null)
                listBox1.Items.Add("Nie ma takiego elementu");
            else
                listBox1.Items.Add(naj.ToString() + " czas utworzenia: " + naj.CreationTime + "  ważący: " + naj.Length/1024/1024 + " Z katalogu: " + naj.DirectoryName);

        }
    }
}