using System.Collections; using System.Linq; namespace InABox.WPF; public class EnumerableToBooleanConverter : AbstractConverter { public bool Value { get; set; } = true; public override bool Convert(IEnumerable? value) { if (value == null) return !Value; var enumerable = value as object[] ?? value.Cast().ToArray(); if (!enumerable.GetEnumerator().MoveNext()) return !Value; return Value; } }