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);
}
}