オンザフライでのWPFアプリケーションのローカライズ

1. プロジェクトのプロパティを開きます。
2. [ アプリケーション ]タブに移動します。
3. アセンブリ情報を開きます。
4. 中立的な文化の選択
   
5. OKをクリックします。

 <Application.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="Resources/lang.xaml" /> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </Application.Resources> 

 <v:String x:Key="m_Title">WPF Localization example</v:String> <v:String x:Key="m_lblHelloWorld">Hello world!</v:String> <v:String x:Key="m_menu_Language">Language</v:String> <v:Double x:Key="m_Number">20.15</v:Double> 

 <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:v="clr-namespace:System;assembly=mscorlib"> <!-- Main window --> <v:String x:Key="m_Title"> WPF </v:String> <v:String x:Key="m_lblHelloWorld"> !</v:String> <v:String x:Key="m_menu_Language"></v:String> <v:Double x:Key="m_Number">10.5</v:Double> </ResourceDictionary> 

 Class Application Private Shared m_Languages As New List(Of CultureInfo) Public Shared ReadOnly Property Languages As List(Of CultureInfo) Get Return m_Languages End Get End Property Public Sub New() m_Languages.Clear() m_Languages.Add(New CultureInfo("en-US")) '     m_Languages.Add(New CultureInfo("ru-RU")) End Sub End Class 

 public partial class App : Application { private static List<CultureInfo> m_Languages = new List<CultureInfo>(); public static List<CultureInfo> Languages { get { return m_Languages; } } public App() { m_Languages.Clear(); m_Languages.Add(new CultureInfo("en-US")); //     m_Languages.Add(new CultureInfo("ru-RU")); } } 

 '      Public Shared Event LanguageChanged(sender As Object, e As EventArgs) Public Shared Property Language As CultureInfo Get Return System.Threading.Thread.CurrentThread.CurrentUICulture End Get Set(value As CultureInfo) If value Is Nothing Then Throw New ArgumentNullException("value") If value.Equals(System.Threading.Thread.CurrentThread.CurrentUICulture) Then Exit Property '1.   : System.Threading.Thread.CurrentThread.CurrentUICulture = value '2.  ResourceDictionary    Dim dict As New ResourceDictionary() Select Case value.Name Case "ru-RU" dict.Source = New Uri(String.Format("Resources/lang.{0}.xaml", value.Name), UriKind.Relative) Case Else dict.Source = New Uri("Resources/lang.xaml", UriKind.Relative) End Select '3.   ResourceDictionary       ResourceDictionary Dim oldDict As ResourceDictionary = (From d In My.Application.Resources.MergedDictionaries _ Where d.Source IsNot Nothing _ AndAlso d.Source.OriginalString.StartsWith("Resources/lang.") _ Select d).First If oldDict IsNot Nothing Then Dim ind As Integer = My.Application.Resources.MergedDictionaries.IndexOf(oldDict) My.Application.Resources.MergedDictionaries.Remove(oldDict) My.Application.Resources.MergedDictionaries.Insert(ind, dict) Else My.Application.Resources.MergedDictionaries.Add(dict) End If '4.      . RaiseEvent LanguageChanged(Application.Current, New EventArgs) End Set End Property 

 //      public static event EventHandler LanguageChanged; public static CultureInfo Language { get { return System.Threading.Thread.CurrentThread.CurrentUICulture; } set { if(value==null) throw new ArgumentNullException("value"); if(value==System.Threading.Thread.CurrentThread.CurrentUICulture) return; //1.   : System.Threading.Thread.CurrentThread.CurrentUICulture = value; //2.  ResourceDictionary    ResourceDictionary dict = new ResourceDictionary(); switch(value.Name){ case "ru-RU": dict.Source = new Uri(String.Format("Resources/lang.{0}.xaml", value.Name), UriKind.Relative); break; default: dict.Source = new Uri("Resources/lang.xaml", UriKind.Relative); break; } //3.   ResourceDictionary       ResourceDictionary ResourceDictionary oldDict = (from d in Application.Current.Resources.MergedDictionaries where d.Source != null && d.Source.OriginalString.StartsWith("Resources/lang.") select d).First(); if (oldDict != null) { int ind = Application.Current.Resources.MergedDictionaries.IndexOf(oldDict); Application.Current.Resources.MergedDictionaries.Remove(oldDict); Application.Current.Resources.MergedDictionaries.Insert(ind, dict); } else { Application.Current.Resources.MergedDictionaries.Add(dict); } //4.      . LanguageChanged(Application.Current, new EventArgs()); } } 

 Class MainWindow Public Sub New() InitializeComponent() '       AddHandler Application.LanguageChanged, AddressOf LanguageChanged Dim currLang = Application.Language '   : menuLanguage.Items.Clear() For Each lang In Application.Languages Dim menuLang As New MenuItem() menuLang.Header = lang.DisplayName menuLang.Tag = lang menuLang.IsChecked = lang.Equals(currLang) AddHandler menuLang.Click, AddressOf ChangeLanguageClick menuLanguage.Items.Add(menuLang) Next End Sub Private Sub LanguageChanged(sender As Object, e As EventArgs) Dim currLang = Application.Language '        For Each i As MenuItem In menuLanguage.Items Dim ci As CultureInfo = TryCast(i.Tag, CultureInfo) i.IsChecked = ci IsNot Nothing AndAlso ci.Equals(currLang) Next End Sub Private Sub ChangeLanguageClick(sender As Object, e As RoutedEventArgs) Dim mi As MenuItem = TryCast(sender, MenuItem) If mi IsNot Nothing Then Dim lang As CultureInfo = TryCast(mi.Tag, CultureInfo) If lang IsNot Nothing Then Application.Language = lang End If End If End Sub End Class 

 namespace WPFLocalizationCSharp { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); App.LanguageChanged += LanguageChanged; CultureInfo currLang = App.Language; //   : menuLanguage.Items.Clear(); foreach (var lang in App.Languages) { MenuItem menuLang = new MenuItem(); menuLang.Header = lang.DisplayName; menuLang.Tag = lang; menuLang.IsChecked = lang.Equals(currLang); menuLang.Click += ChangeLanguageClick; menuLanguage.Items.Add(menuLang); } } private void LanguageChanged(Object sender, EventArgs e) { CultureInfo currLang = App.Language; //        foreach (MenuItem i in menuLanguage.Items) { CultureInfo ci = i.Tag as CultureInfo; i.IsChecked = ci != null && ci.Equals(currLang); } } private void ChangeLanguageClick(Object sender, EventArgs e) { MenuItem mi = sender as MenuItem; if (mi != null) { CultureInfo lang = mi.Tag as CultureInfo; if (lang != null) { App.Language = lang; } } } } } 

  Private Sub Application_LoadCompleted(sender As Object, e As NavigationEventArgs) Handles Me.LoadCompleted Language = My.Settings.DefaultLanguage End Sub Private Shared Sub OnLanguageChanged(sender As Object, e As EventArgs) Handles MyClass.LanguageChanged My.Settings.DefaultLanguage = Language My.Settings.Save() End Sub 

 private void Application_LoadCompleted(object sender, System.Windows.Navigation.NavigationEventArgs e) { Language = WPFLocalizationCSharp.Properties.Settings.Default.DefaultLanguage; } private void App_LanguageChanged(Object sender, EventArgs e) { WPFLocalizationCSharp.Properties.Settings.Default.DefaultLanguage = Language; WPFLocalizationCSharp.Properties.Settings.Default.Save(); } 

 LoadCompleted="Application_LoadCompleted" 

 App.LanguageChanged += App_LanguageChanged;