mono/netcore/System.Private.CoreLib/shared/System/Reflection/ParameterAttributes.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

// ParameterAttributes is an enum defining the attributes that may be 
// associated with a Parameter.  These are defined in CorHdr.h.

namespace System.Reflection
{
    // This Enum matchs the CorParamAttr defined in CorHdr.h
    [Flags]
    public enum ParameterAttributes
    {
        None = 0x0000,      // no flag is specified
        In = 0x0001,     // Param is [In]    
        Out = 0x0002,     // Param is [Out]   
        Lcid = 0x0004,     // Param is [lcid]  

        Retval = 0x0008,     // Param is [Retval]
        Optional = 0x0010,     // Param is optional 

        HasDefault = 0x1000,     // Param has default value.
        HasFieldMarshal = 0x2000,     // Param has FieldMarshal.

        Reserved3 = 0x4000,
        Reserved4 = 0x8000,
        ReservedMask = 0xf000,
    }
}