private void OnMessageReceived(string Title)
        {
            AnouncementTitle = Title;
            if (typeOfAnouncement == "GeneralAnouncement")
            {
                GeneralAnouncementDetail          = new ObservableCollection <GetGeneralAnoucementDetailByTitle_Result>(ST.GetGeneralAnoucementDetailByTitle(AnouncementTitle));
                IsGeneralAnouncementDetailOpen    = true;
                IsDisciplineAnouncementDetailOpen = false;
            }

            else
            if (typeOfAnouncement == "DisciplineAnouncement")
            {
                DisciplineAnouncementDetail       = new ObservableCollection <GetDisciplineAnoucementDetailByTitle_Result>(ST.GetDisciplineAnoucementDetailByTitle(AnouncementTitle));
                IsDisciplineAnouncementDetailOpen = true;
                IsGeneralAnouncementDetailOpen    = false;
            }
        }