private void ConfigureWatcher ()
{
_watcher = new FileSystemWatcher (_watchedFolder)
{
Filter = _filter,
NotifyFilter = _notifyFilter,
IncludeSubdirectories = false
};
_watcher.Changed += (sender, e) => OnChanged (e);
_watcher.Renamed += (sender, e) => OnRenamed (e);
_watcher.Created += (sender, e) => OnCreated (e);
_watcher.Deleted += (sender, e) => OnDeleted (e);
}