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ZelWiki.Library/CountryItem.cs

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+using System.Globalization;
+
+namespace ZelWiki.Library
+{
+    public class CountryItem
+    {
+        public string Text { get; set; } = string.Empty;
+        public string Value { get; set; } = string.Empty;
+
+        public static List<CountryItem> GetAll()
+        {
+            var list = new List<CountryItem>();
+
+            foreach (var ci in CultureInfo.GetCultures(CultureTypes.SpecificCultures))
+            {
+                var regionInfo = new RegionInfo(ci.Name);
+                if (list.Where(o => o.Value == regionInfo.Name).Any() == false)
+                {
+                    list.Add(new CountryItem
+                    {
+                        Text = regionInfo.EnglishName,
+                        Value = regionInfo.Name
+                    });
+                }
+            }
+
+            return list.OrderBy(o => o.Text).ToList();
+        }
+    }
+}