HaiNan/Installers/Uninstaller/Language.cs

using System;
using System.Globalization;
using System.IO;

namespace Uninstaller
{
    class Language
    {
        private static Language _currentLanguage;

        public string UninstallFailed { get; private set; }

        public string UninstallHint { get; private set; }

        public string AppName { get; private set; }

        public string UninstallWizard { get; private set; }

        public static bool IsChinese => CultureInfo.CurrentCulture.Name == "zh-CN";

        private static bool _isAllInOne = Directory.Exists(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"PersonalFlyinsonoDependencies"));

        public static Language CurrentLanguage
        {
            get
            {
                if (_currentLanguage == null)
                {
                    var languageName = CultureInfo.CurrentCulture.Name;
                    if (languageName == "zh-CN")
                    {
                        _currentLanguage = new Language()
                        {
                            UninstallFailed = "卸载失败，请重新安装后再次尝试。",
                            UninstallHint = "正在卸载...",
                            AppName = _isAllInOne? "FLYINSONO" : "杏聆荟",
                            UninstallWizard = "卸载向导",
                        };
                    }
                    else
                    {
                        _currentLanguage = new Language()
                        {
                            UninstallFailed = "Uninstall failed，please re-install and try again.",
                            UninstallHint = "Uninstalling...",
                            AppName = "FLYINSONO",
                            UninstallWizard = "Uninstall Wizard",
                        };
                    }
                }
                return _currentLanguage;
            }
        }
    }
}