using Gestor.Application.Model.Ajuda; using System; using System.Globalization; using System.Windows; using System.Windows.Data; using System.Windows.Markup; namespace Gestor.Application.Converters { public class BoletosNotasConverter : MarkupExtension, IValueConverter { public BoletosNotasConverter() { } public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { return (string.IsNullOrEmpty(((Boleto)value).Nota) ? Visibility.Hidden : Visibility.Visible); } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { return null; } public override object ProvideValue(IServiceProvider serviceProvider) { return this; } } }