(chocolateyGH-533) Hooking up initialisation to make use of dynamic language changing

Author: AdmiringWorm

Source/ChocolateyGui/Startup/Internationalization.cs

@@ -3,24 +3,26 @@
 // </copyright>
 
 using System.Globalization;
+using System.Threading;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Documents;
+using ChocolateyGui.Utilities;
 
 namespace ChocolateyGui.Startup
 {
     public static class Internationalization
     {
         public static void Initialize()
         {
-            var lang = System.Windows.Markup.XmlLanguage.GetLanguage(CultureInfo.CurrentCulture.IetfLanguageTag);
-            FrameworkContentElement.LanguageProperty.OverrideMetadata(typeof(TextElement), new FrameworkPropertyMetadata(lang));
-            FrameworkContentElement.LanguageProperty.OverrideMetadata(typeof(DefinitionBase), new FrameworkPropertyMetadata(lang));
-            FrameworkContentElement.LanguageProperty.OverrideMetadata(typeof(FixedDocument), new FrameworkPropertyMetadata(lang));
-            FrameworkContentElement.LanguageProperty.OverrideMetadata(typeof(FixedDocumentSequence), new FrameworkPropertyMetadata(lang));
-            FrameworkContentElement.LanguageProperty.OverrideMetadata(typeof(FlowDocument), new FrameworkPropertyMetadata(lang));
-            FrameworkContentElement.LanguageProperty.OverrideMetadata(typeof(TableColumn), new FrameworkPropertyMetadata(lang));
-            FrameworkElement.LanguageProperty.OverrideMetadata(typeof(FrameworkElement), new FrameworkPropertyMetadata(lang));
+            TranslationSource.Instance.CurrentCulture = CultureInfo.CurrentCulture;
+        }
+
+        public static void UpdateLanguage(string languageCode)
+        {
+            TranslationSource.Instance.CurrentCulture = CultureInfo.GetCultureInfo(languageCode);
+            CultureInfo.DefaultThreadCurrentCulture = CultureInfo.DefaultThreadCurrentUICulture = TranslationSource.Instance.CurrentCulture;
+            Thread.CurrentThread.CurrentUICulture = Thread.CurrentThread.CurrentCulture = CultureInfo.DefaultThreadCurrentCulture;
         }
     }
-}
+}