using System; using Avalonia.Controls; namespace Avalonia.Markup.Xaml.UnitTests.Xaml { public class AttachedPropertyOwner { public static readonly AttachedProperty DoubleProperty = AvaloniaProperty.RegisterAttached("Double"); public static double GetDouble(Control control) => control.GetValue(DoubleProperty); public static void SetDouble(Control control, double value) => control.SetValue(DoubleProperty, value); } }