using System; using System.Globalization; using System.Windows; using System.Windows.Data; namespace Wpf.CartesianChart.Energy_Predictions { public class OpacityConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { return (Visibility) value == Visibility.Visible ? 1d : .2d; } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { throw new NotImplementedException(); } } }