private void WatchStragetyFile()
{
logger.InfoFormat("start watch directory#{0}, strategy-file#{1}", KK.ResourceDir(), StrategyFileName);
if (watcher != null)
{
watcher.Dispose();
logger.InfoFormat("Dispose previous watcher#{0}", watcher);
}
watcher = new FileSystemWatcher();
watcher.Path = KK.ResourceDir();
watcher.Filter = StrategyFileName;
watcher.Changed += new FileSystemEventHandler(OnProcess);
watcher.EnableRaisingEvents = true;
// | NotifyFilters.LastAccess | NotifyFilters.Size
watcher.NotifyFilter = NotifyFilters.Attributes | NotifyFilters.CreationTime | NotifyFilters.DirectoryName | NotifyFilters.FileName
| NotifyFilters.LastWrite | NotifyFilters.Security;
watcher.IncludeSubdirectories = false;
}