using System; using System.Globalization; using System.Windows; using System.Windows.Data; using System.Windows.Markup; using Gestor.Application.Model.Ajuda; namespace Gestor.Application.Converters; public class BoletosNotasConverter : MarkupExtension, IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { return (object)(Visibility)(string.IsNullOrEmpty(((Boleto)value).Nota) ? 1 : 0); } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { return null; } public override object ProvideValue(IServiceProvider serviceProvider) { return this; } }