/// <summary>
/// Changes the value for specified languages by key.
/// </summary>
/// <param name="langName">Language name (Lang.Name property).</param>
/// <param name="key">Indicates key which value should be changed.</param>
/// <param name="newValue">Indicates new value for key</param>
public void ChangeLangValue(string langName, string key, string newValue)
{
var lang = Langs.Single(l => l.Name == langName);
lang.ChangeValue(key, newValue);
}
/// <summary>
/// Returns value by key for specified language.
/// </summary>
/// <param name="key">Indicates key for searching.</param>
/// <param name="langName">Language name (Lang.Name property).</param>
/// <returns></returns>
public string GetValue(string key, string langName)
{
string result = Langs.Single(l => l.Name.Equals(langName)).GetValue(key);
return(result);
}