/// <summary>
/// Will create a new ListPreference preference if is does not exist, otherwise it will return the cached.
/// </summary>
/// <param name="name">The name of the preference</param>
/// <param name="values">The default values of the preference</param>
/// <typeparam name="T">The type of the preference value</typeparam>
/// <returns>The preference, never null</returns>
public ListPreference <T> ListPreference <T>(string name, IList <T> values = default)
{
if (HasPreferenceListCache <T>(name, out var result))
{
return(result);
}
result = new ListPreference <T>(provider, name, values);
derivations[name] = result;
return(result);
}
private bool HasPreferenceListCache <T>(string name, out ListPreference <T> preference)
{
preference = derivations[name] as ListPreference <T>;
return(preference != null);
}
