怎样去掉WebBrowser控件弹出的脚本提示？

你可以在Visual  Studio中进行设置下的。
Debug > Options and Settings > Debugging > Just-In-Time > Uncheck "Script":http://blogs.msdn.com/cfs-file.ashx/__key/communityserver-blogs-components-weblogfiles/00-00-01-55-85/5342.DebuggerSettings.PNG
你可以在Visual  Studio中进行设置下的。
Debug > Options and Settings > Debugging > Just-In-Time > Uncheck "Script":
  using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using System.Collections;
using mshtml;namespace WindowsFormsApplication28
{
    public class WebBrowserEx : System.Windows.Forms.WebBrowser
    {
        #region WebBrowserSiteEx Class

            public WebBrowserSiteEx(WebBrowserEx webBrowser)
                : base(webBrowser)
            {
                //_webBrowser = webBrowser;
            }            #region IServiceProvider Members
            public int QueryService(ref Guid guidService, ref Guid riid, out IntPtr ppvObject)
            {
                if (guidService == IID_IInternetSecurityManager&&riid == IID_IInternetSecurityManager)
                {
                    ppvObject = Marshal.GetComInterfaceForObject(this,typeof(IInternetSecurityManager));

            #region IInternetSecurityManager Members
            public unsafe int SetSecuritySite(void* pSite)
            {
                return Constants.INET_E_DEFAULT_ACTION;
            }            public unsafe int GetSecuritySite(void** ppSite)
            {
                return Constants.INET_E_DEFAULT_ACTION;
         IInternetSecurityManager* pInetSecMgr;
HRESULT hr = CoCreateInstance(CLSID_InternetSecurityManager, NULL, CLSCTX_ALL,

                    // if ( cbPolicy >= sizeof (DWORD))
                    //  {
                    //     *(DWORD*) pPolicy = dwPolicy;
                    //      return S_OK;
                    //  }
                    //   else
                    // {
                    //      return S_FALSE;
                    //   }
                    // }
                    //*/                    *((int*)pPolicy) = (int)Constants.UrlPolicy.URLPOLICY_ALLOW;

                    return Constants.S_OK;
                }            }            public unsafe int QueryCustomPolicy(string pwszUrl, void* guidKey, byte** ppPolicy, int* pcbPolicy, byte* pContext, int cbContext, int dwReserved)
            {
                return Constants.INET_E_DEFAULT_ACTION;
            }            public int SetZoneMapping(int dwZone, string lpszPattern, int dwFlags)//添加受信任或者不受信任或者本地站点
            {
                /*
                 IInternetSecurityManager * pSecurityManager = NULL;
                HRESULT HRESULT = S_OK;                :: CoInitialize的（NULL）;
                HRESULT = CoCreateInstance的（CLSID_InternetSecurityManager，
                                          NULL，
                                          CLSCTX_INPROC_SERVER，
                                          IID_IInternetSecurityManager，
                                          （无效**）＆pSecurityManager的）;

                （SUCCEEDED（HRESULT））
                {
                  HRESULT = pSecurityManager> SetZoneMapping（URLZONE_ESC_FLAG | URLZONE_TRUSTED的，
                                                           “L”http://msdn.microsoft.com
                                                           SZM_CREATE）;

                  pSecurityManager  - >发行（）;
                }
                :: CoUninitialize的（）;                 */
                return Constants.INET_E_DEFAULT_ACTION;
            }            public unsafe int GetZoneMappings(int dwZone, void** ppenumString, int dwFlags)
            {
                return Constants.INET_E_DEFAULT_ACTION;
            }
            #endregion            #region IDocHostShowUI 成员
            //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)]
            public void ShowMessage(ref _RemotableHandle hwnd, string lpstrText, string lpstrCaption, uint dwType, string lpstrHelpFile, uint dwHelpContext, out int plResult)
            {
                plResult = 0;
                if (lpstrText == "Hello222222")
                {
                    if (MessageBox.Show("是否要屏蔽Alert对话框", "提示", MessageBoxButtons.YesNo) == DialogResult.Yes)
                    {
                        MessageBox.Show("屏蔽鸟", "屏蔽鸟");
                        return;
                    }
                    else
                    {
                        //
                    }
                }
                throw new NotImplementedException();
                // MessageBox.Show("sfdasdfas");
            }            public void ShowHelp(ref _RemotableHandle hwnd, string pszHelpFile, uint uCommand, uint dwData, tagPOINT ptMouse, object pDispatchObjectHit)
            {
                throw new NotImplementedException();
            }            #endregion
        }
        #endregion WebBrowserSiteEx Class        private WebBrowserSiteEx _site;        public WebBrowserEx()
        {        }        //protected override WebBrowserSiteBase CreateWebBrowserSiteBase();
        protected override WebBrowserSiteBase CreateWebBrowserSiteBase()//实现有从 WebBrowser 和 WebBrowser.WebBrowserSite 类继承的类
        //非托管 WebBrowser ActiveX 控件使用受保护的 CreateWebBrowserSiteBase 方法检索由
        //WebBrowser.WebBrowserSite 类实现的扩展性接口。重写 CreateWebBrowserSiteBase 方法以返回自己的从 WebBrowser.WebBrowserSite 类继承的类的实例。
        {
            if (_site == null)
                _site = new WebBrowserSiteEx(this);
            return _site;
        }
    }    [ComImport]
    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    [Guid("6d5140c1-7436-11ce-8034-00aa006009fa")]
    public interface IServiceProvider
    {
        [PreserveSig]
        int QueryService(ref Guid guidService, ref Guid riid, out IntPtr ppvObject);
    }
    #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
    //---------------------------    //---------------------------

调试易

怎样去掉WebBrowser控件弹出的脚本提示？

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