Imported Upstream version 2.0.0.11353upstream/2.0.0.11353

1 files changed, 36 insertions, 0 deletions

diff --git a/src/mscorlib/shared/System/Reflection/ParameterModifier.cs b/src/mscorlib/shared/System/Reflection/ParameterModifier.cs
new file mode 100644
index 0000000000..18d6cf669d
--- /dev/null
+++ b/src/mscorlib/shared/System/Reflection/ParameterModifier.cs
@@ -0,0 +1,36 @@
+// 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
+{
+    [Serializable]
+    public struct ParameterModifier
+    {
+        private readonly bool[] _byRef;
+
+        public ParameterModifier(int parameterCount)
+        {
+            if (parameterCount <= 0)
+                throw new ArgumentException(SR.Arg_ParmArraySize);
+
+            _byRef = new bool[parameterCount];
+        }
+
+        public bool this[int index]
+        {
+            get
+            {
+                return _byRef[index];
+            }
+            set
+            {
+                _byRef[index] = value;
+            }
+        }
+
+#if CORECLR
+        internal bool[] IsByRefArray => _byRef;
+#endif
+    }
+}