SIPSorcery.SIPProviderDetailsControl.ProviderRegister_Checked C# (CSharp) Method

        private void ProviderRegister_Checked(object sender, System.Windows.RoutedEventArgs e)
        {
            //if (!m_disableProviderRegistrations)
            //{
            m_providerRegisterContact.IsEnabled = true;
            m_providerRegisterExpiry.IsEnabled = true;
            m_providerRegisterServer.IsEnabled = true;

            if (m_providerRegisterExpiry.Text.Trim().Length == 0)
            {
                m_providerRegisterExpiry.Text = m_defaultRegisterExpiry.ToString();
            }

            if (m_providerRegisterContact.Text.Trim().Length == 0)
            {
                m_providerRegisterContact.Text = m_owner + "@" + m_defaultContactHost;
            }
            //}
        }