1 /* ****************************************************************************
3 * Copyright (c) Microsoft Corporation.
5 * This source code is subject to terms and conditions of the Apache License, Version 2.0. A
6 * copy of the license can be found in the License.html file at the root of this distribution. If
7 * you cannot locate the Apache License, Version 2.0, please send an email to
8 * dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
9 * by the terms of the Apache License, Version 2.0.
11 * You must not remove this notice, or any other, from this software.
14 * ***************************************************************************/
16 namespace System.Runtime.CompilerServices {
19 /// Holds a reference to a value.
21 /// <typeparam name="T">The type of the value that the <see cref = "StrongBox{T}"></see> references.</typeparam>
22 public class StrongBox<T> : IStrongBox {
24 /// Gets the strongly typed value associated with the <see cref = "StrongBox{T}"></see>
25 /// <remarks>This is explicitly exposed as a field instead of a property to enable loading the address of the field.</remarks>
27 [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1051:DoNotDeclareVisibleInstanceFields")]
31 /// Initializes a new StrongBox which can receive a value when used in a reference call.
37 /// Initializes a new <see cref = "StrongBox{T}"></see> with the specified value.
39 /// <param name="value">A value that the <see cref = "StrongBox{T}"></see> will reference.</param>
40 public StrongBox(T value) {
44 object IStrongBox.Value {
55 /// Defines a property for accessing the value that an object references.
57 public interface IStrongBox {
59 /// Gets or sets the value the object references.
61 object Value { get; set; }