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// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
using System.Reflection;
using System.Collections.Generic;
namespace System.Runtime.CompilerServices
{
[Serializable]
[AttributeUsage(AttributeTargets.Field | AttributeTargets.Parameter, Inherited=false)]
[System.Runtime.InteropServices.ComVisible(true)]
public abstract class CustomConstantAttribute : Attribute
{
public abstract Object Value { get; }
internal static object GetRawConstant(CustomAttributeData attr)
{
foreach (CustomAttributeNamedArgument namedArgument in attr.NamedArguments)
{
if (namedArgument.MemberInfo.Name.Equals("Value"))
return namedArgument.TypedValue.Value;
}
// Return DBNull to indicate that no default value is available.
// Not to be confused with a null return which indicates a null default value.
return DBNull.Value;
}
}
}
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