sdk/samples/all in on code/Visual Studio 2008/CSTabbedWebBrowser/DWebBrowserEvent2Helper.cs

   1 /****************************** Module Header ******************************\
   2 * Module Name:  WebBrowser2EventHelper.cs
   3 * Project:          CSTabbedWebBrowser
   4 * Copyright (c) Microsoft Corporation.
   5 *
   6 * The class WebBrowser2EventHelper is used to handle the NewWindow3 event
   7 * from the underlying ActiveX control by raising the NewWindow3 event
   8 * defined in class WebBrowserEx.
   9 *
  10 * Because of the protected method WebBrowserEx.OnNewWindow3, this
  11 * class is defined inside the class WebBrowserEx.
  12 *
  13 * This source is subject to the Microsoft Public License.
  14 * See http://www.microsoft.com/opensource/licenses.mspx#Ms-PL.
  15 * All other rights reserved.
  16 *
  17 * THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
  18 * EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
  19 * WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
  20 \***************************************************************************/
  21
  22 using System;
  23 using System.Runtime.InteropServices;
  24
  25 namespace CSTabbedWebBrowser
  26 {
  27     public partial class WebBrowserEx
  28     {
  29         private class DWebBrowserEvent2Helper
  30             : StandardOleMarshalObject, DWebBrowserEvents2
  31         {
  32             private WebBrowserEx parent;
  33
  34             public DWebBrowserEvent2Helper(WebBrowserEx parent)
  35             {
  36                 this.parent = parent;
  37             }
  38
  39             /// <summary>
  40             /// Raise the NewWindow3 event.
  41             /// If an instance of WebBrowser2EventHelper is associated with the underlying
  42             /// ActiveX control, this method will be called When the NewWindow3 event was
  43             /// fired in the ActiveX control.
  44             /// </summary>
  45             public void NewWindow3(ref object ppDisp, ref bool Cancel, uint dwFlags,
  46                 string bstrUrlContext, string bstrUrl)
  47             {
  48                 var e = new WebBrowserNewWindowEventArgs(bstrUrl, Cancel);
  49                 this.parent.OnNewWindow3(e);
  50                 Cancel=e.Cancel;
  51             }
  52         }
  53     }
  54 }