private void SetupLanguages()
{
languageManager = new LanguageManager();
LanguageComboBox.ItemsSource = languageManager.LanguageDisplayNames;
LanguageComboBox.SelectedItem = LanguageManager.GetCurrentLanguageDisplayName();
TimeZoneComboBox.ItemsSource = LanguageManager.GetSupportedTimeZones();
TimeZoneComboBox.SelectedItem = LanguageManager.GetCurrentTimeZone();
}