1 #region Copyright notice and license 2 // Protocol Buffers - Google's data interchange format 3 // Copyright 2015 Google Inc. All rights reserved. 4 // 5 // Use of this source code is governed by a BSD-style 6 // license that can be found in the LICENSE file or at 7 // https://developers.google.com/open-source/licenses/bsd 8 #endregion 9 10 #if !NET5_0_OR_GREATER 11 // Copied with permission from https://github.com/dotnet/runtime/tree/8fbf206d0e518b45ca855832e8bfb391afa85972/src/libraries/System.Private.CoreLib/src/System/Diagnostics/CodeAnalysis 12 namespace System.Diagnostics.CodeAnalysis 13 { 14 /// <summary> 15 /// Indicates that certain members on a specified <see cref="Type"/> are accessed dynamically, 16 /// for example through <see cref="System.Reflection"/>. 17 /// </summary> 18 /// <remarks> 19 /// This allows tools to understand which members are being accessed during the execution 20 /// of a program. 21 /// 22 /// This attribute is valid on members whose type is <see cref="Type"/> or <see cref="string"/>. 23 /// 24 /// When this attribute is applied to a location of type <see cref="string"/>, the assumption is 25 /// that the string represents a fully qualified type name. 26 /// 27 /// When this attribute is applied to a class, interface, or struct, the members specified 28 /// can be accessed dynamically on <see cref="Type"/> instances returned from calling 29 /// <see cref="object.GetType"/> on instances of that class, interface, or struct. 30 /// 31 /// If the attribute is applied to a method it's treated as a special case and it implies 32 /// the attribute should be applied to the "this" parameter of the method. As such the attribute 33 /// should only be used on instance methods of types assignable to System.Type (or string, but no methods 34 /// will use it there). 35 /// </remarks> 36 [AttributeUsage( 37 AttributeTargets.Field | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter | 38 AttributeTargets.Parameter | AttributeTargets.Property | AttributeTargets.Method | 39 AttributeTargets.Class | AttributeTargets.Interface | AttributeTargets.Struct, 40 Inherited = false)] 41 internal sealed class DynamicallyAccessedMembersAttribute : Attribute 42 { 43 /// <summary> 44 /// Initializes a new instance of the <see cref="DynamicallyAccessedMembersAttribute"/> class 45 /// with the specified member types. 46 /// </summary> 47 /// <param name="memberTypes">The types of members dynamically accessed.</param> DynamicallyAccessedMembersAttribute(DynamicallyAccessedMemberTypes memberTypes)48 public DynamicallyAccessedMembersAttribute(DynamicallyAccessedMemberTypes memberTypes) 49 { 50 MemberTypes = memberTypes; 51 } 52 53 /// <summary> 54 /// Gets the <see cref="DynamicallyAccessedMemberTypes"/> which specifies the type 55 /// of members dynamically accessed. 56 /// </summary> 57 public DynamicallyAccessedMemberTypes MemberTypes { get; } 58 } 59 } 60 #endif 61