private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            if (HourListView.SelectedItems.Count < 1)
            {
                return;
            }

            var item       = HourListView.SelectedItems[0];
            var ActivityId = item.SubItems[4].Text;

            var rObject         = service.HourRegistrationModel(ActivityId, item.Text);
            var editHourControl = new EditHourRegistrationControl(service, rObject);

            editHourControl.OnEditClicked   += _OnEditClicked;
            editHourControl.OnCancelClicked += _OnCancelClicked;

            AddTabPage("Edit hour registration", editHourControl);
        }