Globalization in WPF using ResourceDictionary

using System;
using System.Linq;
using System.Windows;
using System.Threading;
using System.Globalization;
using System.ComponentModel.Composition;
using System.ComponentModel.Composition.Hosting;
using WPF_Globalization.ViewModel;

namespace WPF_Globalization
{
	/// <summary>
	/// Interaction logic for App.xaml
	/// </summary>
	public partial class App : Application
	{
		protected override void OnStartup(StartupEventArgs e)
		{
			SetImportCatalog();
			SetLanguage();
		}

		private void SetImportCatalog()
		{
			try
			{
				string path = AppDomain.CurrentDomain.BaseDirectory;
				DirectoryCatalog catalog = new DirectoryCatalog(path);
				CompositionContainer container = new CompositionContainer(catalog);
				container.ComposeParts(BaseModel.Instance.ImportCatalog);

			}
			catch (Exception ex)
			{

			}
		}

		private void SetLanguage()
		{
			try
			{
				string cultureCode = "en-US";
				CultureInfo cultureInfo = new CultureInfo(cultureCode);
				Thread.CurrentThread.CurrentCulture = cultureInfo;
				Thread.CurrentThread.CurrentUICulture = cultureInfo;
				var dictionary = (from d in BaseModel.Instance.ImportCatalog.ResourceDictionaryList
								  where d.Metadata.ContainsKey("Culture")
								  && d.Metadata["Culture"].ToString().Equals(cultureCode)
								  select d).FirstOrDefault();
				if (dictionary != null && dictionary.Value != null)
				{
					this.Resources.MergedDictionaries.Add(dictionary.Value);
				}
			}
			catch (Exception ex)
			{
			}
		}
	}
}