1 files changed, 63 insertions, 0 deletions
diff --git a/src/mscorlib/shared/System/Reflection/TypeAttributes.cs b/src/mscorlib/shared/System/Reflection/TypeAttributes.cs
new file mode 100644
index 0000000000..aa30331856
--- /dev/null
+++ b/src/mscorlib/shared/System/Reflection/TypeAttributes.cs
@@ -0,0 +1,63 @@
+// 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.
+
+using System.Runtime.InteropServices;
+
+namespace System.Reflection
+{
+    // This Enum matchs the CorTypeAttr defined in CorHdr.h
+    [Flags]
+    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.
+        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.
+
+        RTSpecialName = 0x00000800,     // Runtime should check name encoding.
+        HasSecurity = 0x00040000,     // Class has security associate with it.
+
+        ReservedMask = 0x00040800,
+    }
+}