private void btnAdd_Click(object sender, RoutedEventArgs e)
        {
            BusinessPartnerTypeViewModel businessPartnerType = new BusinessPartnerTypeViewModel();

            businessPartnerType.Identifier = Guid.NewGuid();

            BusinessPartner_Type_AddEdit addEditForm = new BusinessPartner_Type_AddEdit(businessPartnerType, true);

            addEditForm.BusinessPartnerTypeCreatedUpdated += new BusinessPartnerTypeHandler(SyncData);
            FlyoutHelper.OpenFlyout(this, ((string)Application.Current.FindResource("Podaci_o_vrsti")), 95, addEditForm);
        }
        private void btnEdit_Click(object sender, RoutedEventArgs e)
        {
            if (CurrentBusinessPartnerType == null)
            {
                MainWindow.WarningMessage = ((string)Application.Current.FindResource("Morate_odabrati_vrstu_za_izmenuUzvičnik"));
                return;
            }

            BusinessPartner_Type_AddEdit addEditForm = new BusinessPartner_Type_AddEdit(CurrentBusinessPartnerType, false);

            addEditForm.BusinessPartnerTypeCreatedUpdated += new BusinessPartnerTypeHandler(SyncData);
            FlyoutHelper.OpenFlyout(this, ((string)Application.Current.FindResource("Podaci_o_vrsti")), 95, addEditForm);
        }