multilangue dans program.cs et non form

Bonjour,
Mon application doit-être multilingue,

si je met dans ma form principale (et non program.cs)

Code:

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private void frToolStripMenuItem_Click(object sender, EventArgs e)
        {
            System.Threading.Thread.CurrentThread.CurrentUICulture = FrenchCulture;
            ApplyCulture(new CultureInfo("fr"));
        }
 
        private void enToolStripMenuItem_Click(object sender, EventArgs e)
        {
            System.Threading.Thread.CurrentThread.CurrentUICulture = EnglishCulture;
            ApplyCulture(new CultureInfo("en"));
        }
 
        private void alToolStripMenuItem_Click(object sender, EventArgs e)
        {
            System.Threading.Thread.CurrentThread.CurrentUICulture = GermanCulture;
            ApplyCulture(new CultureInfo("de-DE"));
 
        }

ayant déclaré

Code:

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internal CultureInfo EnglishCulture = new CultureInfo("en-US");
        internal CultureInfo GermanCulture = new CultureInfo("de-DE");
        internal CultureInfo FrenchCulture = new CultureInfo("fr-FR");
 
                public void ApplyCulture(CultureInfo culture)
        {
            // Applies culture to current Thread.
            Thread.CurrentThread.CurrentUICulture = culture;
 
            // Create a resource manager for this Form and determine its fields via reflection.
            ComponentResourceManager resources = new ComponentResourceManager(this.GetType());
            FieldInfo[] fieldInfos = this.GetType().GetFields(BindingFlags.Instance |
                BindingFlags.DeclaredOnly | BindingFlags.NonPublic);
 
            // Call SuspendLayout for Form and all fields derived from Control, so assignment of 
            //   localized text doesn't change layout immediately.
            this.SuspendLayout();
            for (int index = 0; index < fieldInfos.Length; index++)
            {
                if (fieldInfos[index].FieldType.IsSubclassOf(typeof(Control)))
                {
                    fieldInfos[index].FieldType.InvokeMember("SuspendLayout",
                        BindingFlags.InvokeMethod, null,
                        fieldInfos[index].GetValue(this), null);
                }
            }
 
            // If available, assign localized text to Form and fields with Text property.
            String text = resources.GetString("$this.Text");
            if (text != null)
                this.Text = text;
            for (int index = 0; index < fieldInfos.Length; index++)
            {
                if (fieldInfos[index].FieldType.GetProperty("Text", typeof(String)) != null)
                {
                    text = resources.GetString(fieldInfos[index].Name + ".Text");
                    if (text != null)
                    {
                        fieldInfos[index].FieldType.InvokeMember("Text",
                            BindingFlags.SetProperty, null,
                            fieldInfos[index].GetValue(this), new object[] { text });
                    }
                }
            }
 
            // Call ResumeLayout for Form and all fields derived from Control to resume layout logic.
            // Call PerformLayout, so layout changes due to assignment of localized text are performed.
            for (int index = 0; index < fieldInfos.Length; index++)
            {
                if (fieldInfos[index].FieldType.IsSubclassOf(typeof(Control)))
                {
                    fieldInfos[index].FieldType.InvokeMember("ResumeLayout",
                            BindingFlags.InvokeMethod, null,
                            fieldInfos[index].GetValue(this), new object[] { false });
                }
            }
            this.ResumeLayout(false);
            this.PerformLayout();
        }

Ca marche !

Mais j'ai une form (config) où je devrait effectuer ce changement, comment faire, je ny arrive pas avec le passage de données entre form.

Ce code ne devrait pas se trouver dans program.cs ?

Une petite aide SVP ?