src/Core/Def/BaseUtility/IOrderable.cs


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// ****************************************************************************
// Copyright (C) Microsoft Corporation.  All Rights Reserved.
// ****************************************************************************
using System.ComponentModel;
using System.Collections.Generic;

namespace Microsoft.VisualStudio.Utilities
{
    /// <summary>
    /// Associated with an orderable part. 
    /// </summary>
    /// <remarks>This interface is helpful when importing orderable parts.</remarks> 
    public interface IOrderable
    {
        /// <summary>
        /// Uniquely identifies a part with respect to parts of the same type.
        /// </summary>
        string Name { get; }

        /// <summary>
        /// The parts before which this part should appear in the list.
        /// </summary>
        [DefaultValue(null)]
        IEnumerable<string> Before { get; }

        /// <summary>
        /// The parts after which this part should appear in the list.
        /// </summary>
        [DefaultValue(null)]
        IEnumerable<string> After { get; }
    }
}