// -----------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
// -----------------------------------------------------------------------
using System;
using System.ComponentModel.Composition.Hosting;
using System.ComponentModel.Composition.Primitives;
namespace System.ComponentModel.Composition{
/// <summary>
/// Option placed on a type that controls when the <see cref="CompositionContainer"/> creates
/// a new instance of a <see cref="ComposablePart"/>.
/// </summary>
public enum CreationPolicy : int
{
/// <summary>
/// Let the <see cref="CompositionContainer"/> choose the most appropriate <see cref="CreationPolicy"/>
/// for the part given the current context. This is the default <see cref="CreationPolicy"/>, with
/// the <see cref="CompositionContainer"/> choosing <see cref="CreationPolicy.Shared"/> by default
/// unless the <see cref="ComposablePart"/> or importer requests <see cref="CreationPolicy.NonShared"/>.
/// </summary>
Any = 0,
/// <summary>
/// A single shared instance of the associated <see cref="ComposablePart"/> will be created
/// by the <see cref="CompositionContainer"/> and shared by all requestors.
/// </summary>
Shared = 1,
/// <summary>
/// A new non-shared instance of the associated <see cref="ComposablePart"/> will be created
/// by the <see cref="CompositionContainer"/> for every requestor.
/// </summary>
NonShared = 2,
}
}
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