SIPSorcery.SIPProviderManager.DeleteSIPProvider C# (CSharp) Method

        private void DeleteSIPProvider(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            SIPProvider sipProvider = m_sipProvidersDataGrid.SelectedItem as SIPProvider;
            MessageBoxResult confirmDelete = MessageBox.Show("Press Ok to delete " + sipProvider.ProviderName + ".", "Confirm Delete", MessageBoxButton.OKCancel);
            if (confirmDelete == MessageBoxResult.OK)
            {
                //LogActivityMessage_External(MessageLevelsEnum.Info, "Sending delete request for SIP Provider " + sipProvider.ProviderName + ".");
                m_riaContext.SIPProviders.Remove(sipProvider);
                m_riaContext.SubmitChanges(DeleteSIPProviderComplete, sipProvider);
            }
        }