sdk/samples/all in on code/Visual Studio 2008/CSWebBrowserAutomation/HtmlCheckBox.cs

   1 /****************************** Module Header ******************************\
   2 * Module Name:  HtmlCheckBox.cs
   3 * Project:          CSWebBrowserAutomation
   4 * Copyright (c) Microsoft Corporation.
   5 *
   6 * This class HtmlCheckBox represents an HtmlElement with the tag "input" and its
   7 * type is "checkbox".
   8 *
   9 * This source is subject to the Microsoft Public License.
  10 * See http://www.microsoft.com/opensource/licenses.mspx#Ms-PL.
  11 * All other rights reserved.
  12 *
  13 * THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
  14 * EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
  15 * WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
  16 \***************************************************************************/
  17
  18 using System.Windows.Forms;
  19 using System.Security.Permissions;
  20
  21 namespace CSWebBrowserAutomation
  22 {
  23     public class HtmlCheckBox : HtmlInputElement
  24     {
  25         public bool Checked { get; set; }
  26
  27         /// <summary>
  28         /// This parameterless constructor is used in deserialization.
  29         /// </summary>
  30         public HtmlCheckBox() { }
  31
  32         /// <summary>
  33         /// Initialize an instance of HtmlCheckBox. This constructor is used by
  34         /// HtmlInputElementFactory.
  35         /// </summary>
  36         [PermissionSetAttribute(SecurityAction.LinkDemand, Name = "FullTrust")]
  37         public HtmlCheckBox(HtmlElement element)
  38             : base(element.Id)
  39         {
  40
  41             // The checkbox is checked if it has the attribute "checked".
  42             string chekced = element.GetAttribute("checked");
  43             Checked = !string.IsNullOrEmpty(chekced);
  44         }
  45
  46         /// <summary>
  47         /// Set the value of the HtmlElement.
  48         /// </summary>
  49         [PermissionSetAttribute(SecurityAction.LinkDemand, Name = "FullTrust")]
  50         public override void SetValue(HtmlElement element)
  51         {
  52             // The checkbox is checked if it has the attribute "checked".
  53             if (Checked)
  54             {
  55                 element.SetAttribute("checked", "checked");
  56             }
  57             else
  58             {
  59                 element.SetAttribute("checked", null);
  60             }
  61         }
  62     }
  63 }