BeFriend.Views.CallandSmsSettings.MessageSaveButton_OnClick C# (CSharp) Method

        private void MessageSaveButton_OnClick(object sender, RoutedEventArgs e)
        {
            var localData = ApplicationData.Current.LocalSettings;
            var roamData = ApplicationData.Current.RoamingSettings;
            if (!localData.Values.ContainsKey("MessageToSend") && !roamData.Values.ContainsKey("MessageToSend"))
            {
                localData.Values.Add("MessageToSend", UserNameTextBox.Text);
                roamData.Values.Add("MessageToSend", UserNameTextBox.Text);
            }
            else
            {
                localData.Values.Remove("MessageToSend");
                roamData.Values.Remove("MessageToSend");
                localData.Values.Add("MessageToSend", UserNameTextBox.Text);
                roamData.Values.Add("MessageToSend", UserNameTextBox.Text);
            }
        }