using System;
using System.Collections;
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;

namespace FileSystemWatcher
{
    public partial class Form1 : Form
    {
        Queue imgList = new Queue();
        string logString;

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            fileSystemWatcher1.EnableRaisingEvents = true;
        }

        private void fileSystemWatcher1_Changed(object sender, System.IO.FileSystemEventArgs e)
        {
            //MessageBox.Show("追加されたやん", "キャプション");
        }

        private void fileSystemWatcher1_Created(object sender, System.IO.FileSystemEventArgs e)
        {
            //MessageBox.Show("追加されました", "キャプション");
            //string filename = fileSystemWatcher1.WaitForChanged(System.IO.WatcherChangeTypes.All).Name;
            string filename = e.Name;
            logString = logString + filename + " is created.\n";
            textBox2.Text = logString;
            imgList.Enqueue(filename);
        }

        private void button1_Click(object sender, EventArgs e)
        {
            fileSystemWatcher1.Path = textBox1.Text;

            // タイマーを有効にする
            timer1.Enabled = true;
            timer1.Interval = 2000;
        }

        private void timer1_Tick(object sender, EventArgs e)
        {

            if ( imgList.Count == 0 )
            {
                return;
            }

            string imgName = (string)imgList.Dequeue();
            MessageBox.Show("Deque : " + imgName);
        }
    }
}