■ WebBrowser 엘리먼트에서 웹 사이트 조회시 발생하는 스크립트 오류를 억제하는 방법을 보여준다.
▶ IOleServiceProvider.cs
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using System; using System.Runtime.InteropServices; namespace TestProject { /// <summary> /// OLE 서비스 제공자 인터페이스 /// </summary> [ComImport] [Guid("6D5140C1-7436-11CE-8034-00AA006009FA")] [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)] public interface IOleServiceProvider { //////////////////////////////////////////////////////////////////////////////////////////////////// Method #region 서비스 쿼리하기 - QueryService(serviceGUID, interfaceGUID, instance) /// <summary> /// 서비스 쿼리하기 /// </summary> /// <param name="serviceGUID">서비스 GUID</param> /// <param name="interfaceGUID">인터페이스 GUID</param> /// <param name="instance">인스턴스</param> /// <returns>처리 결과</returns> [PreserveSig] int QueryService([In] ref Guid serviceGUID, [In] ref Guid interfaceGUID, [MarshalAs(UnmanagedType.IDispatch)] out object instance); #endregion } } |
▶ WebBrowserHelper.cs
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using System; using System.Reflection; using System.Windows.Controls; namespace TestProject { /// <summary> /// 웹 브라우저 헬퍼 /// </summary> public static class WebBrowserHelper { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Public #region 스크립트 에러 억제하기 - SuppressScriptError(webBrowser, suppress) /// <summary> /// 스크립트 에러 억제하기 /// </summary> /// <param name="webBrowser">웹 브라우저</param> /// <param name="suppress">억제 여부</param> public static void SuppressScriptError(WebBrowser webBrowser, bool suppress) { IOleServiceProvider oleServiceProvider = webBrowser.Document as IOleServiceProvider; if(oleServiceProvider != null) { Guid IWebBrowserAppGUID = new Guid("0002DF05-0000-0000-C000-000000000046"); Guid IWebBrowser2GUID = new Guid("D30C1661-CDAF-11d0-8A3E-00C04FC9E26E"); object webBrowserObject; oleServiceProvider.QueryService(ref IWebBrowserAppGUID, ref IWebBrowser2GUID, out webBrowserObject); if(webBrowserObject != null) { webBrowserObject.GetType().InvokeMember ( "Silent", BindingFlags.Instance | BindingFlags.Public | BindingFlags.PutDispProperty, null, webBrowserObject, new object[] { suppress } ); } } } #endregion } } |
▶ MainWindow.xaml
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<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Width="800" Height="600" Title="WebBrowser 엘리먼트 : 스크립트 오류 억제하기" FontFamily="나눔고딕코딩" FontSize="16"> <Border Margin="10" BorderThickness="1" BorderBrush="Black"> <WebBrowser Name="webBrowser" /> </Border> </Window> |
▶ MainWindow.xaml.cs
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using System; using System.Windows; using System.Windows.Navigation; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); Loaded += Window_Loaded; this.webBrowser.Navigated += webBrowser_Navigated; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 윈도우 로드시 처리하기 - Window_Loaded(sender, e) /// <summary> /// 윈도우 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Window_Loaded(object sender, RoutedEventArgs e) { this.webBrowser.Navigate(new Uri("https://www.cnn.com")); } #endregion #region 웹 브라우저 탐색시 처리하기 - webBrowser_Navigated(sender, e) /// <summary> /// 웹 브라우저 탐색시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void webBrowser_Navigated(object sender, NavigationEventArgs e) { WebBrowserHelper.SuppressScriptError(this.webBrowser, true); } #endregion } } |
