Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.ServiceModel/System/ServiceModel/ComIntegration/ChannelOptions.cs

@@ -0,0 +1,51 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//-----------------------------------------------------------------------------
+namespace System.ServiceModel.ComIntegration
+{
+    using System;
+    using System.Runtime.InteropServices;
+    using System.Collections.Generic;
+    using System.ServiceModel;
+    using System.ServiceModel.Channels;
+
+    internal class ChannelOptions : IChannelOptions, IDisposable
+    {
+        protected IProvideChannelBuilderSettings channelBuilderSettings;
+
+        internal ChannelOptions(IProvideChannelBuilderSettings channelBuilderSettings)
+        {
+            this.channelBuilderSettings = channelBuilderSettings;
+        }
+        internal static ComProxy Create(IntPtr outer, IProvideChannelBuilderSettings channelBuilderSettings)
+        {
+
+            if (channelBuilderSettings == null)
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.CannotCreateChannelOption)));
+
+
+            ChannelOptions channelOptions = null;
+            ComProxy proxy = null;
+            try
+            {
+                channelOptions = new ChannelOptions(channelBuilderSettings);
+                proxy = ComProxy.Create(outer, channelOptions, channelOptions);
+                return proxy;
+            }
+            finally
+            {
+                if (proxy == null)
+                {
+                    if (channelOptions != null)
+                        ((IDisposable)channelOptions).Dispose();
+                }
+
+            }
+        }
+        void IDisposable.Dispose()
+        {
+        }
+    }
+}
+
+