namespace FeedbackGeneratorQQ.Converters { using System; using System.Globalization; using System.Windows; using System.Windows.Data; using System.Windows.Markup; [ValueConversion(typeof(int), typeof(Visibility))] public class CheckboxCheckedVisibilityConverter : MarkupExtension, IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { return (bool)value ? Visibility.Visible : Visibility.Collapsed; } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { return (Visibility)value == Visibility.Visible; } public override object ProvideValue(IServiceProvider serviceProvider) { return this; } } }