sdk/samples/all in on code/Visual Studio 2008/CSWebBrowserSuppressError/WebBrowser2EventHelper.cs

   1 /****************************** Module Header ******************************\
   2 * Module Name:  WebBrowser2EventHelper.cs
   3 * Project:          CSWebBrowserSuppressError
   4 * Copyright (c) Microsoft Corporation.
   5 *
   6 * The class WebBrowser2EventHelper is used to handles the NavigateError event
   7 * from the underlying ActiveX control by raising the NavigateError event
   8 * defined in class WebBrowserEx.
   9 *
  10 * Because of the protected method WebBrowserEx.OnNavigateError, 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 CSWebBrowserSuppressError
  26 {
  27     public partial class WebBrowserEx
  28     {
  29         private class WebBrowser2EventHelper : StandardOleMarshalObject, DWebBrowserEvents2
  30         {
  31             private WebBrowserEx parent;
  32
  33             public WebBrowser2EventHelper(WebBrowserEx parent)
  34             {
  35                 this.parent = parent;
  36             }
  37
  38             /// <summary>
  39             /// Raise the NavigateError event.
  40             /// If a instance of WebBrowser2EventHelper is associated with the underlying
  41             /// ActiveX control, this method will be called When NavigateError event was
  42             /// fired in the ActiveX control.
  43             /// </summary>
  44             public void NavigateError(object pDisp, ref object url,
  45                 ref object frame, ref object statusCode, ref bool cancel)
  46             {
  47
  48                 // Raise the NavigateError event in WebBrowserEx class.
  49                 this.parent.OnNavigateError(new WebBrowserNavigateErrorEventArgs(
  50                     (String)url, (String)frame, (Int32)statusCode, cancel));
  51
  52             }
  53         }
  54     }
  55 }