unsupported languages aren't selectable, and supported languages show up in the language they're for.

Author: retailcoder

RetailCoder.VBE/Settings/DisplayLanguageSetting.cs

@@ -1,4 +1,6 @@
-using System.Xml.Serialization;
+using System;
+using System.Globalization;
+using System.Xml.Serialization;
 using Rubberduck.UI;
 
 namespace Rubberduck.Settings
@@ -17,14 +19,31 @@ public DisplayLanguageSetting()
         public DisplayLanguageSetting(string code)
         {
             Code = code;
-            _name = RubberduckUI.ResourceManager.GetString("Language_" + Code.Substring(0, 2).ToUpper(), RubberduckUI.Culture);
+
+            CultureInfo culture;
+            try
+            {
+                culture = CultureInfo.GetCultureInfo(code);
+                _exists = true;
+            }
+            catch (CultureNotFoundException)
+            {
+                culture = RubberduckUI.Culture;
+                _exists = false;
+            }
+
+            _name = RubberduckUI.ResourceManager.GetString("Language_" + Code.Substring(0, 2).ToUpper(), culture);
         }
 
         private readonly string _name;
+        private readonly bool _exists;
 
         [XmlIgnore]
         public string Name { get { return _name; } }
 
+        [XmlIgnore]
+        public bool Exists { get { return _exists; } }
+
         public override bool Equals(object obj)
         {
             var other = (DisplayLanguageSetting) obj;

RetailCoder.VBE/UI/Settings/GeneralSettingsControl.cs

@@ -1,4 +1,5 @@
-using System.Windows.Forms;
+using System.Linq;
+using System.Windows.Forms;
 using Rubberduck.Settings;
 
 namespace Rubberduck.UI.Settings
@@ -32,10 +33,14 @@ public DisplayLanguageSetting SelectedLanguage
 
         private void LoadLanguageList()
         {
-            LanguageList.Items.Add(new DisplayLanguageSetting("en-US"));
-            LanguageList.Items.Add(new DisplayLanguageSetting("fr-CA"));
-            LanguageList.Items.Add(new DisplayLanguageSetting("sv-SV"));
+            var settings = new[]
+            {
+                new DisplayLanguageSetting("en-US"),
+                new DisplayLanguageSetting("fr-CA"),
+                new DisplayLanguageSetting("sv-SV")
+            };
 
+            LanguageList.Items.AddRange(settings.Where(item => item.Exists).ToArray());
             LanguageList.DisplayMember = "Name";
         }
     }