using System.IO;
public class ObserveMoniter
{
    private FileSystemWatcher watcher = new FileSystemWatcher();

    public void Execute()
    {
        if (watcher.EnableRaisingEvents) return;

        watcher.Path = EnStation.SrcDir;
        //رĿ¼
        watcher.IncludeSubdirectories = true;
        watcher.InternalBufferSize = 65536;
        watcher.Filter = "*.jpg";
        watcher.Created += new FileSystemEventHandler(OnCreated);
        watcher.EnableRaisingEvents = true;

    }

    private void OnCreated(object source, FileSystemEventArgs e)
    {

    }
}