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 System.IO;

namespace WindowsFormsApplication1Test
{
    public partial class Form1 : Form
    {
       public Form1()
        {
            InitializeComponent();
            FileSystemWatcher watcher = new FileSystemWatcher();
            watcher.Path = @"D:\";
            watcher.NotifyFilter = NotifyFilters.FileName;
            watcher.Filter = "*.xls";
            watcher.Changed += new FileSystemEventHandler(OnCreate);
            watcher.Created += new FileSystemEventHandler(OnCreate);
 
            //watcher.Deleted += new FileSystemEventHandler(OnDelete);
            watcher.EnableRaisingEvents = true;
        }

       private static void OnCreate(object source, FileSystemEventArgs e)
       {
           if (File.Exists(e.FullPath) && e.Name.Substring(0, 1) != "~")
           {

               System.Diagnostics.Process.Start(e.FullPath);
               //MessageBox.Show(e.Name.Substring(0,1));
           }

       }


    }
}