SIPSorcery.SimpleWizardInRuleControl.ToMatchTypeChanged C# (CSharp) Method

        private void ToMatchTypeChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
        {
            if (m_initialised)
            {
                var toTypeComboBox = sender as ComboBox;

                if (toTypeComboBox != null && toTypeComboBox.SelectedValue != null)
                {
                    switch ((toTypeComboBox.SelectedValue as TextBlock).Text)
                    {
                        case "Any":
                            ToMatchRegex.Stop();
                            ToMatchSpecificProvider.Stop();
                            ToMatchSpecificSIPAccount.Stop();
                            break;

                        case "ToSIPAccount":
                            ToMatchRegex.Stop();
                            ToMatchSpecificProvider.Stop();
                            ToMatchSpecificSIPAccount.Begin();
                            break;

                        case "ToSIPProvider":
                            ToMatchRegex.Stop();
                            ToMatchSpecificProvider.Begin();
                            ToMatchSpecificSIPAccount.Stop();
                            break;

                        case "Regex":
                            ToMatchRegex.Begin();
                            ToMatchSpecificProvider.Stop();
                            ToMatchSpecificSIPAccount.Stop();
                            break;
                    }
                }
            }
        }