using System; using System.Globalization; using System.Windows.Data; namespace SWRIS.Converters { public class NullToBooleanConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { if (value == null || value.ToString() == string.Empty) { return true; } return false; } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { return value is bool b ? !b : value; } } }