Add ISupportsPrint interface to .NET to allow use of Print method

dotnet/src/webdriver/ISupportsPrint.cs

@@ -0,0 +1,33 @@
+// <copyright file="ISupportsPrint.cs" company="WebDriver Committers">
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// </copyright>
+
+namespace OpenQA.Selenium
+{
+    /// <summary>
+    /// Interface allowing a driver implementation to generate a print representation of the page.
+    /// </summary>
+    public interface ISupportsPrint
+    {
+        /// <summary>
+        /// Gets a <see cref="PrintDocument"/> object representing a PDF-formatted print representation of the page.
+        /// </summary>
+        /// <param name="printOptions">A <see cref="PrintOptions"/> object describing the options of the printed document.</param>
+        /// <returns>The <see cref="PrintDocument"/> object containing the PDF-formatted print representation of the page.</returns>
+        PrintDocument Print(PrintOptions options);
+    }
+}

dotnet/src/webdriver/Remote/RemoteWebDriver.cs

@@ -61,7 +61,7 @@ namespace OpenQA.Selenium.Remote
     /// }
     /// </code>
     /// </example>
-    public class RemoteWebDriver : IWebDriver, ISearchContext, IJavaScriptExecutor, IFindsElement, ITakesScreenshot, IHasCapabilities, IActionExecutor, IHasCommandExecutor, IAllowsFileDetection, IHasSessionId, IHasWebStorage, IHasLocationContext, IHasApplicationCache, IFindsById, IFindsByClassName, IFindsByLinkText, IFindsByName, IFindsByTagName, IFindsByXPath, IFindsByPartialLinkText, IFindsByCssSelector
+    public class RemoteWebDriver : IWebDriver, ISearchContext, IJavaScriptExecutor, IFindsElement, ITakesScreenshot, ISupportsPrint, IActionExecutor, IHasCapabilities, IHasCommandExecutor, IAllowsFileDetection, IHasSessionId, IHasWebStorage, IHasLocationContext, IHasApplicationCache, IFindsById, IFindsByClassName, IFindsByLinkText, IFindsByName, IFindsByTagName, IFindsByXPath, IFindsByPartialLinkText, IFindsByCssSelector
     {
         /// <summary>
         /// The default command timeout for HTTP requests in a RemoteWebDriver instance.
@@ -842,10 +842,10 @@ public Screenshot GetScreenshot()
         }
 
         /// <summary>
-        /// Gets a 
+        /// Gets a <see cref="PrintDocument"/> object representing a PDF-formatted print representation of the page.
         /// </summary>
-        /// <param name="printOptions"></param>
-        /// <returns></returns>
+        /// <param name="printOptions">A <see cref="PrintOptions"/> object describing the options of the printed document.</param>
+        /// <returns>The <see cref="PrintDocument"/> object containing the PDF-formatted print representation of the page.</returns>
         public PrintDocument Print(PrintOptions printOptions)
         {
             Response commandResponse = this.Execute(DriverCommand.Print, printOptions.ToDictionary());