public App()
{
//ResExtension.InitializeResExtension(null);
InitializeComponent();
// Explicitly initialize the resource manager
LocalizationSettings.Initialize(this.GetType().Assembly, WpfLocalizationResx.Properties.Resources.ResourceManager);
LocalizationSettings.AddAssembly("WpfLocalizationResx", this.GetType().Assembly);
SetCulture(ConfigurationManager.AppSettings["Culture"]);
}