using System; using System.Windows.Data; namespace WPFluent.Converters; /// /// 判断值是否为空 /// internal class StringIsEmptyConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { return string.IsNullOrEmpty(System.Convert.ToString(value)); } public object? ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { return null; } }