Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/mscorlib/system/reflection/parametermodifier.cs

@@ -0,0 +1,51 @@
+using System.Diagnostics.Contracts;
+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+// <OWNER>[....]</OWNER>
+// 
+
+namespace System.Reflection 
+{  
+    using System;
+
+    [Serializable]
+[System.Runtime.InteropServices.ComVisible(true)]
+    public struct ParameterModifier 
+    {
+        #region Private Data Members
+        private bool[] _byRef;
+        #endregion
+
+        #region Constructor
+        public ParameterModifier(int parameterCount) 
+        {
+            if (parameterCount <= 0)
+                throw new ArgumentException(Environment.GetResourceString("Arg_ParmArraySize"));
+            Contract.EndContractBlock();
+
+            _byRef = new bool[parameterCount];
+        }
+        #endregion
+
+        #region Internal Members
+        internal bool[] IsByRefArray { get { return _byRef; } }
+        #endregion
+
+        #region Public Members
+        public bool this[int index] 
+        {
+            get 
+            {
+                return _byRef[index]; 
+            }
+            set 
+            {
+                _byRef[index] = value;
+            }
+        }
+        #endregion
+    }
+}