using System; using System.Collections.Generic; using System.Globalization; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Data; using System.Windows; namespace Compdfkit_Tools.Common { [ValueConversion(typeof(string), typeof(Visibility))] class AntiStringToVisibilityConverter : IValueConverter { #region IValueConverter Members public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { if ((value as string) != string.Empty) { return Visibility.Visible; } else { return Visibility.Collapsed; } } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { return null; } #endregion } }