SIPSorcery.DialPlanWizard.GetOptions C# (CSharp) Method

        private void GetOptions()
        {
            if (!m_optionsRefreshInProgress)
            {
                m_optionsRefreshInProgress = true;

                m_optionsDataForm.ItemsSource = null;
                m_riaContext.SIPDialplanOptions.Clear();

                m_riaContext.Load<SIPDialplanOption>(m_riaContext.GetSIPDialplanOptionsQuery().Where(x => x.DialPlanID == m_dialPlan.ID), LoadBehavior.RefreshCurrent, OptionsLoaded, null);
            }
        }