.NET Framework 4.5 Multi-Threaded Globalization: Listing 1

The .NET Framework 4 multi-threading culture setting sample.

private void CultureTask(CultureInfo culture)
{
    Task.Factory.StartNew((c) =>
        {
          Dispatcher.Invoke(() => TaskUICulture.DataContext = c);
        }, culture);
    
}

using System.Windows;
using System.Threading;
using System.Globalization;
using System.Threading.Tasks;
using System;
using System.Windows.Threading;

namespace VSMCultureInfoDemo
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            UserPreferredCulture.DataContext = CultureInfo.CurrentUICulture;

            // Change culture of the current thread
            CultureInfo french = new CultureInfo("fr-Fr");
            Thread.CurrentThread.CurrentCulture = french;
            Thread.CurrentThread.CurrentUICulture = french;

            Thread cultureParameterized = new Thread(new ParameterizedThreadStart(SetThreadCulture));
            cultureParameterized.Start(french);

            Thread cultureAfter = new Thread(new ThreadStart(CultureAfterTest));
            cultureAfter.CurrentCulture = Thread.CurrentThread.CurrentUICulture;
            cultureAfter.CurrentUICulture = Thread.CurrentThread.CurrentUICulture;
            cultureAfter.Start();

            CultureTask(Thread.CurrentThread.CurrentUICulture);
        }

        private void CultureAfterTest()
        {
            Dispatcher.Invoke(() => ThreadUIPropCulture.DataContext = Thread.CurrentThread.CurrentUICulture);
        }

        private void SetThreadCulture(object culture)
        {
            CultureInfo cultureInfo = culture as CultureInfo;
            Thread.CurrentThread.CurrentCulture = cultureInfo;
            Thread.CurrentThread.CurrentUICulture = cultureInfo;

            Dispatcher.Invoke(() => ThreadUIParamCulture.DataContext = Thread.CurrentThread.CurrentUICulture);
        }

        private void CultureTask(CultureInfo culture)
        {
            Task.Factory.StartNew((c) =>
                {
                  Dispatcher.Invoke(() => TaskUICulture.DataContext = c);
                }, culture);
            
        }
    }
}

About the Author

Eric Vogel is a Senior Software Developer for Red Cedar Solutions Group in Okemos, Michigan. He is the president of the Greater Lansing User Group for .NET. Eric enjoys learning about software architecture and craftsmanship, and is always looking for ways to create more robust and testable applications. Contact him at [email protected].

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