DynamicAttribute.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Core / System / Runtime / CompilerServices / DynamicAttribute.cs / 1305376 / DynamicAttribute.cs

                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 

using System.Collections.Generic; 
 
namespace System.Runtime.CompilerServices
{ 
    /// 
    /// Indicates that the use of  on a member is meant to be treated as a dynamically dispatched type.
    /// 
    [AttributeUsage(AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.Property | AttributeTargets.ReturnValue | AttributeTargets.Class | AttributeTargets.Struct)] 
    public sealed class DynamicAttribute : Attribute
    { 
        private readonly bool[] _transformFlags; 

        ///  
        /// Initializes a new instance of the  class.
        /// 
        /// 
        /// When used in an attribute specification, the default constructor is semantically 
        /// equivalent to DynamicAttribute({ true }), and can be considered
        /// a shorthand for that expression. It should therefore only be used on an element 
        /// of type . 
        /// 
        public DynamicAttribute() 
        {
            this._transformFlags = new bool[] { true };
        }
 
        /// 
        /// Initializes a new instance of the  class. 
        ///  
        /// Specifies, in a prefix traversal of a type's
        /// construction, which  occurrences are meant to 
        /// be treated as a dynamically dispatched type.
        /// 
        /// This constructor is meant to be used on types that are built on an underlying
        /// occurrence of  that is meant to be treated dynamically. 
        /// For instance, if C is a generic type with two type parameters, then a
        /// use of the constructed typeC<, > 
        /// might be intended to treat the first type argument dynamically and the second 
        /// normally, in which case the appropriate attribute specification should
        /// use a transformFlags value of { false, true, false }. 
        /// 
        public DynamicAttribute(bool[] transformFlags)
        {
            if (transformFlags == null) 
            {
                throw new ArgumentNullException("transformFlags"); 
            } 

            this._transformFlags = transformFlags; 
        }

        /// 
        /// Specifies, in a prefix traversal of a type's 
        /// construction, which  occurrences are meant to
        /// be treated as a dynamically dispatched type. 
        ///  
        public IList TransformFlags
        { 
            get
            {
                return Array.AsReadOnly(this._transformFlags);
            } 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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