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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
#if NETSTANDARD2_0 || NETSTANDARD2_1
namespace System.Diagnostics.CodeAnalysis
{
/// <summary>
/// Indicates that certain members on a specified <see cref="Type"/> are accessed dynamically,
/// for example through <see cref="System.Reflection"/>.
/// </summary>
/// <remarks>
/// This allows tools to understand which members are being accessed during the execution
/// of a program.
///
/// This attribute is valid on members whose type is <see cref="Type"/> or <see cref="string"/>.
///
/// When this attribute is applied to a location of type <see cref="string"/>, the assumption is
/// that the string represents a fully qualified type name.
///
/// When this attribute is applied to a class, interface, or struct, the members specified
/// can be accessed dynamically on <see cref="Type"/> instances returned from calling
/// <see cref="object.GetType"/> on instances of that class, interface, or struct.
///
/// If the attribute is applied to a method it's treated as a special case and it implies
/// the attribute should be applied to the "this" parameter of the method. As such the attribute
/// should only be used on instance methods of types assignable to System.Type (or string, but no methods
/// will use it there).
/// </remarks>
[AttributeUsage(
AttributeTargets.Field | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter |
AttributeTargets.Parameter | AttributeTargets.Property | AttributeTargets.Method |
AttributeTargets.Class | AttributeTargets.Interface | AttributeTargets.Struct,
Inherited = false)]
#if SYSTEM_PRIVATE_CORELIB
public
#else
internal
#endif
sealed class DynamicallyAccessedMembersAttribute : Attribute
{
/// <summary>
/// Initializes a new instance of the <see cref="DynamicallyAccessedMembersAttribute"/> class
/// with the specified member types.
/// </summary>
/// <param name="memberTypes">The types of members dynamically accessed.</param>
public DynamicallyAccessedMembersAttribute(DynamicallyAccessedMemberTypes memberTypes)
{
MemberTypes = memberTypes;
}
/// <summary>
/// Gets the <see cref="DynamicallyAccessedMemberTypes"/> which specifies the type
/// of members dynamically accessed.
/// </summary>
public DynamicallyAccessedMemberTypes MemberTypes { get; }
}
}
#endif
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