using Avalonia.Data.Converters; using System; using System.Globalization; namespace Needlework.Net.Desktop.Converters { public class NullBoolConverter : IValueConverter { public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture) { return value != null; } public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture) { throw new NotImplementedException(); } } }