using System; using System.Globalization; using System.Windows.Data; namespace Flyad7_WPF.Converters { public class ConnectionValueConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { bool? b = (bool?)value; if (b == null) return null; else if (b == true) return "连接成功"; else return "连接断开"; } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { throw new NotImplementedException(); } } }