FairyGUI.UIPackage.GetItemURL C# (CSharp) Method

        public static string GetItemURL(string pkgName, string resName)
        {
            UIPackage pkg = GetByName(pkgName);
            if (pkg == null)
                return null;

            PackageItem pi;
            if (!pkg._itemsByName.TryGetValue(resName, out pi))
                return null;

            return URL_PREFIX + pkg.id + pi.id;
        }

 string OnTag_Emoji(string tagName, bool end, string attr)
 {
     return("<img src='" + UIPackage.GetItemURL("Emoji", tagName.Substring(1).ToLower()) + "'/>");
 }