file

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

namespace WindowsApplication1
...{
    public partial class Form1 : Form
    ...{
        public Form1()
        ...{
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        ...{

    
        }

        private void Form1_Load(object sender, EventArgs e)
        ...{
            string path = "H:/test";
            DirectoryInfo di = new DirectoryInfo(path);
            foreach (FileInfo f in di.GetFiles())
            ...{
                listBox1.Items.Add(f.Name);
            
            }
        }

        private void fileSystemWatcher1_Changed(object sender, System.IO.FileSystemEventArgs e)
        ...{
            string path = "H:/test";
            DirectoryInfo di = new DirectoryInfo(path);
            foreach (FileInfo f in di.GetFiles())
            ...{
                listBox1.Items.Add(f.Name);

            }
        }

        private void fileSystemWatcher1_Created(object sender, System.IO.FileSystemEventArgs e)
        ...{
            string str=e.FullPath;
            MessageBox.Show(str);
            string path = "H:/test";
            DirectoryInfo di = new DirectoryInfo(path);
            listBox1.Items.Clear();
            foreach (FileInfo f in di.GetFiles())
            ...{
                listBox1.Items.Add(f.Name);

            }

        }
    }
}