using System; using System.Collections.Generic; using System.Globalization; using System.Linq; using System.Text; using System.Threading.Tasks; namespace LSFE.MobApp.Converters { public class BoolToHeaderHeightConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { if (value is bool isVisible && isVisible) { return 50; // Header height when visible } return 0; // No height when hidden } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { throw new NotImplementedException(); } } }