/// <summary>
/// Close the handler functions.
/// </summary>
/// <param name="handler">The directory.</param>
/// <param name="result">The result status. </param>
/// <returns></returns>
public string CloseHandler(IDirectoryHandler handler, out bool result)
{
try
{
handler.Watcher.EnableRaisingEvents = false;
handler.Watcher.Created -= new FileSystemEventHandler(handler.Create);
handler.InvokeCloseEvent();
result = true;
} catch (Exception e) { result = false; }
return("success");
}