using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Windows.Data; namespace KeyPad.Converter { class BoolToVisibilityConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { if ((bool?)value == true) return System.Windows.Visibility.Visible; else return System.Windows.Visibility.Collapsed; } public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { throw new NotImplementedException(); } } }