// -----------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
// -----------------------------------------------------------------------
using System;
using System.ComponentModel.Composition.Primitives;
namespace System.ComponentModel.Composition{
/// <summary>
/// Specifies <see cref="CreationPolicy"/> for a given <see cref="ComposablePart" />.
/// </summary>
[AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
public sealed class PartCreationPolicyAttribute : Attribute
{
internal static PartCreationPolicyAttribute Default = new PartCreationPolicyAttribute(CreationPolicy.Any);
internal static PartCreationPolicyAttribute Shared = new PartCreationPolicyAttribute(CreationPolicy.Shared);
/// <summary>
/// Initializes a new instance of the <see cref="PartCreationPolicyAttribute"/> class.
/// </summary>
public PartCreationPolicyAttribute(CreationPolicy creationPolicy)
{
this.CreationPolicy = creationPolicy;
}
/// <summary>
/// Gets or sets a value indicating the creation policy of the attributed part.
/// </summary>
/// <value>
/// One of the <see cref="CreationPolicy"/> values indicating the creation policy of the
/// attributed part. The default is
/// <see cref="System.ComponentModel.Composition.CreationPolicy.Any"/>.
/// </value>
public CreationPolicy CreationPolicy { get; private set; }
}
}
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