C#禁止Webbrowser中的脚本错误提示，自动屏蔽弹出窗口

using System; using System.Collections.Generic; using System.Text; using System.Windows.Forms; using System.Runtime.CompilerServices; using System.Runtime.InteropServices; namespace Hcsem { public class MyWebBrowser : System.Windows.Forms.WebBrowser { #region ExtendedWebBrowserSite class ExtendedWebBrowserSite : WebBrowser.WebBrowserSite, UnsafeNativeMethods.IDocHostShowUI { public ExtendedWebBrowserSite(WebBrowser host) : base (host) { } void UnsafeNativeMethods.IDocHostShowUI.ShowMessage( ref UnsafeNativeMethods._RemotableHandle hwnd, string lpstrText, string lpstrCaption, uint dwType, string lpstrHelpFile, uint dwHelpContext, out int plResult) { plResult = 0 ; // TODO:自定义 } void UnsafeNativeMethods.IDocHostShowUI.ShowHelp( ref UnsafeNativeMethods._RemotableHandle hwnd, string pszHelpFile, uint uCommand, uint dwData, UnsafeNativeMethods.tagPOINT ptMouse, object pDispatchObjectHit) { // TODO:自定义 } } protected override WebBrowserSiteBase CreateWebBrowserSiteBase() { return new ExtendedWebBrowserSite( this ); } #endregion } public class UnsafeNativeMethods { #region IDocHostShowUI [StructLayout(LayoutKind.Explicit, Pack = 4 )] public struct __MIDL_IWinTypes_0009 { // Fields [FieldOffset( 0 )] public int hInproc; [FieldOffset( 0 )] public int hRemote; } [StructLayout(LayoutKind.Sequential, Pack = 4 )] public struct _RemotableHandle { public int fContext; public __MIDL_IWinTypes_0009 u; } [StructLayout(LayoutKind.Sequential, Pack = 4 )] public struct tagPOINT { public int x; public int y; } [ComImport, Guid( " C4D244B0-D43E-11CF-893B-00AA00BDCE1A " ), InterfaceType(( short ) 1 )] public interface IDocHostShowUI { [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)] void ShowMessage([In, ComAliasName( " ExtendedWebBrowser2.UnsafeNativeMethods.wireHWND " )] ref _RemotableHandle hwnd, [In, MarshalAs(UnmanagedType.LPWStr)] string lpstrText, [In, MarshalAs(UnmanagedType.LPWStr)] string lpstrCaption, [In] uint dwType, [In, MarshalAs(UnmanagedType.LPWStr)] string lpstrHelpFile, [In] uint dwHelpContext, [ComAliasName( " ExtendedWebBrowser2.UnsafeNativeMethods.LONG_PTR " )] out int plResult); [MethodImpl(MethodImplOptions.InternalCall, MethodCodeType = MethodCodeType.Runtime)] void ShowHelp([In, ComAliasName( " ExtendedWebBrowser2.UnsafeNativeMethods.wireHWND " )] ref _RemotableHandle hwnd, [In, MarshalAs(UnmanagedType.LPWStr)] string pszHelpFile, [In] uint uCommand, [In] uint dwData, [In] tagPOINT ptMouse, [Out, MarshalAs(UnmanagedType.IDispatch)] object pDispatchObjectHit); } #endregion } } 本文转自黄聪博客园博客，原文链接：http://www.cnblogs.com/huangcong/p/4172154.html，如需转载请自行联系原作者