SL - 整理 - 给组件绑定资源文件值

最新推荐文章于 2024-04-19 18:56:15 发布

原创最新推荐文章于 2024-04-19 18:56:15 发布 · 507 阅读

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CC 4.0 BY-SA版权

本文介绍了一种在WPF应用程序中实现资源文件本地化的具体方法。通过定义一个实现了IValueConverter接口的Localizer类，可以将资源文件中的字符串绑定到UI元素上。此方法能够有效地支持多语言切换。

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    public class Localizer : System.Windows.Data.IValueConverter
    {

        #region IValueConverter Members

        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            try
            {
                var reader = (IStringLibrary)value;
                string resourceValue;
                string resourceName = parameter as string;

                if (!string.IsNullOrEmpty(resourceName))
                {
                    resourceValue = reader.Get(resourceName);
                }
                else
                {
                    resourceValue = "ConverterParameter missing in Binding tag";   //ERROR
                }

                return resourceValue;
            }
            catch
            {
                return "Localization Configuration Error";
            }
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            throw new NotImplementedException();
        }

        public static string Get(object stringLibrary, string resourceName)
        {
            try
            {
                string resourceValue;
                var reader = (IStringLibrary)stringLibrary;

                if (!string.IsNullOrEmpty(resourceName))
                {
                    resourceValue = reader.Get(resourceName);
                }
                else
                {
                    resourceValue = "Invalid resourceName";   //ERROR
                }

                return resourceValue;
            }
            catch
            {
                return "Localization Configuration Error";
            }
        }

        #endregion
    }