using System; using System.Collections.Generic; using System.Globalization; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Data; namespace AIK.Views.Converters { public class ExpandArrowConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { return value is bool isExpanded && isExpanded ? 90 : 0; } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { throw new NotImplementedException(); } } }