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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.
// See the LICENSE file in the project root for more information.
namespace System.Reflection {
using System.Runtime.InteropServices;
using System;
// This Enum matchs the CorTypeAttr defined in CorHdr.h
[Serializable]
[Flags]
[System.Runtime.InteropServices.ComVisible(true)]
public enum TypeAttributes
{
VisibilityMask = 0x00000007,
NotPublic = 0x00000000, // Class is not public scope.
Public = 0x00000001, // Class is public scope.
NestedPublic = 0x00000002, // Class is nested with public visibility.
NestedPrivate = 0x00000003, // Class is nested with private visibility.
NestedFamily = 0x00000004, // Class is nested with family visibility.
NestedAssembly = 0x00000005, // Class is nested with assembly visibility.
NestedFamANDAssem = 0x00000006, // Class is nested with family and assembly visibility.
NestedFamORAssem = 0x00000007, // Class is nested with family or assembly visibility.
// Use this mask to retrieve class layout informaiton
// 0 is AutoLayout, 0x2 is SequentialLayout, 4 is ExplicitLayout
LayoutMask = 0x00000018,
AutoLayout = 0x00000000, // Class fields are auto-laid out
SequentialLayout = 0x00000008, // Class fields are laid out sequentially
ExplicitLayout = 0x00000010, // Layout is supplied explicitly
// end layout mask
// Use this mask to distinguish whether a type declaration is an interface. (Class vs. ValueType done based on whether it subclasses S.ValueType)
ClassSemanticsMask= 0x00000020,
Class = 0x00000000, // Type is a class (or a value type).
Interface = 0x00000020, // Type is an interface.
// Special semantics in addition to class semantics.
Abstract = 0x00000080, // Class is abstract
Sealed = 0x00000100, // Class is concrete and may not be extended
SpecialName = 0x00000400, // Class name is special. Name describes how.
// Implementation attributes.
Import = 0x00001000, // Class / interface is imported
Serializable = 0x00002000, // The class is Serializable.
[ComVisible(false)]
WindowsRuntime = 0x00004000, // Type is a Windows Runtime type.
// Use tdStringFormatMask to retrieve string information for native interop
StringFormatMask = 0x00030000,
AnsiClass = 0x00000000, // LPTSTR is interpreted as ANSI in this class
UnicodeClass = 0x00010000, // LPTSTR is interpreted as UNICODE
AutoClass = 0x00020000, // LPTSTR is interpreted automatically
CustomFormatClass = 0x00030000, // A non-standard encoding specified by CustomFormatMask
CustomFormatMask = 0x00C00000, // Use this mask to retrieve non-standard encoding information for native interop. The meaning of the values of these 2 bits is unspecified.
// end string format mask
BeforeFieldInit = 0x00100000, // Initialize the class any time before first static field access.
// Flags reserved for runtime use.
ReservedMask = 0x00040800,
RTSpecialName = 0x00000800, // Runtime should check name encoding.
HasSecurity = 0x00040000, // Class has security associate with it.
}
}
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