using System; using System.Globalization; using System.Windows; using System.Windows.Data; namespace ComPDFKit.Controls.Common { public class ReverseVisibilityConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { if ((Visibility)value == Visibility.Visible) { return Visibility.Collapsed; } else return Visibility.Visible; } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { if ((Visibility)value == Visibility.Visible) { return Visibility.Collapsed; } else return Visibility.Visible; } } }