private void InitIsMultiAoi() { try { IConfiger config = _session.Configer; object ismultiAoi = config.GetConfigItemValue("IsMultiAoi"); if (ismultiAoi != null) { _ismultiAoi = false; bool.TryParse(ismultiAoi.ToString(), out _ismultiAoi); } } catch { _ismultiAoi = false; } }