Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.ServiceModel/System/ServiceModel/TransferMode.cs

@@ -0,0 +1,49 @@
+//----------------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//----------------------------------------------------------------------------
+namespace System.ServiceModel
+{
+    using System.ComponentModel;
+
+    /// <summary>
+    /// Modes that can be set in a to determine whether a channel 
+    /// supports streamed and/or buffered mode.
+    /// </summary>
+    public enum TransferMode
+    {
+        Buffered,
+        Streamed,
+        StreamedRequest,
+        StreamedResponse,
+    }
+
+    static class TransferModeHelper
+    {
+        public static bool IsDefined(TransferMode v)
+        {
+            return ((v == TransferMode.Buffered) || (v == TransferMode.Streamed) ||
+                (v == TransferMode.StreamedRequest) || (v == TransferMode.StreamedResponse));
+        }
+
+        public static bool IsRequestStreamed(TransferMode v)
+        {
+            return ((v == TransferMode.StreamedRequest) || (v == TransferMode.Streamed));
+        }
+
+        public static bool IsResponseStreamed(TransferMode v)
+        {
+            return ((v == TransferMode.StreamedResponse) || (v == TransferMode.Streamed));
+        }
+
+        public static void Validate(TransferMode value)
+        {
+            if (!IsDefined(value))
+            {
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidEnumArgumentException("value", (int)value,
+                    typeof(TransferMode)));
+            }
+        }
+    }
+}
+
+