Avalonia/src/Avalonia.Layout/LayoutContext.cs

// This source file is adapted from the WinUI project.
// (https://github.com/microsoft/microsoft-ui-xaml)
//
// Licensed to The Avalonia Project under MIT License, courtesy of The .NET Foundation.

namespace Avalonia.Layout
{
    /// <summary>
    /// Represents the base class for an object that facilitates communication between an attached
    /// layout and its host container.
    /// </summary>
    public class LayoutContext : AvaloniaObject
    {
        /// <summary>
        /// Gets or sets an object that represents the state of a layout.
        /// </summary>
        public object LayoutState { get; set; }

        /// <summary>
        /// Implements the behavior of <see cref="LayoutState"/> in a derived or custom LayoutContext.
        /// </summary>
        protected virtual object LayoutStateCore { get; set; }
    }
}