public FileWatcher()
{
string settlementDir = tk.GetDirectoryName() + "\\settlement";
watcher = new FileSystemWatcher(@settlementDir);
watcher.EnableRaisingEvents = true;
watcher.IncludeSubdirectories = true;
watcher.Created += watcher_Created;
watcher.Renamed += wathcer_Renamed;
watcher.Deleted += watcher_Deleted;
newFile = new List <string>();
}