WebBrowser 如何屏蔽javascript错误，我搜啊搜啊，搜到了
http://www.cnblogs.com/zhangqingping/archive/2009/06/16/1504260.html 和 http://support.microsoft.com/kb/261003
http://www.codeproject.com/Articles/4003/Popup-Window-Blocker
#pragma once
#include <mshtmhst.h>
class CNoScriptErrorHelper
: public IDocHostUIHandler
, public IOleCommandTarget
{
public:
HRESULT STDMETHODCALLTYPE SetHandler(CComPtr<IWebBrowser2> spWebBrowser)
{
HRESULT result = E_NOINTERFACE;
CComPtr<IDispatch> spDisp;
HRESULT hr = spWebBrowser->get_Document(&spDisp);
if (SUCCEEDED(hr) && spDisp)
{
// If this is not an HTML document (e.g., it's a Word doc or a PDF), don't sink.
CComQIPtr<IHTMLDocument2, &IID_IHTMLDocument2> spHTML(spDisp);
if (spHTML)
{
// Get pointers to default interfaces
CComQIPtr<IOleObject, &IID_IOleObject> spOleObject(spDisp);
if (spOleObject)
{
CComPtr<IOleClientSite> spClientSite;
hr = spOleObject->GetClientSite(&spClientSite);
if (SUCCEEDED(hr) && spClientSite)
{
m_spDefaultDocHostUIHandler = spClientSite;
m_spDefaultOleCommandTarget = spClientSite;
}
}
// Set this class to be the IDocHostUIHandler
CComQIPtr<ICustomDoc, &IID_ICustomDoc> spCustomDoc(spDisp);
if (spCustomDoc)
{
spCustomDoc->SetUIHandler(this);
result = S_OK;
}
}
}
return result;
}
public:
HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void **ppvObject)
{
HRESULT result = S_OK;
if (IsBadWritePtr(ppvObject, sizeof(LPVOID)))
result = E_INVALIDARG;
if (result == S_OK)
{
*ppvObject = NULL;
if ( IsEqualIID( riid, IID_IUnknown ) )
*ppvObject = this;
else if ( IsEqualIID( riid, IID_IDispatch ) )
*ppvObject = (IDispatch *) this;
else if ( IsEqualIID( riid, IID_IDocHostUIHandler ) )
*ppvObject = (IDocHostUIHandler *) this;
else if ( IsEqualIID( riid, IID_IOleCommandTarget ) )
*ppvObject = (IOleCommandTarget *) this;
else
result = E_NOINTERFACE;
}
if (result == S_OK)
this->AddRef();
return result;
}
ULONG STDMETHODCALLTYPE AddRef(){
InterlockedIncrement(&m_cRef);
return m_cRef;
}
ULONG STDMETHODCALLTYPE Release() {
ULONG ulRefCount = InterlockedDecrement(&m_cRef);
if(m_cRef == 0)
{
delete this;
}
return ulRefCount;
}
STDMETHOD(ShowContextMenu)(DWORD dwID, POINT FAR* ppt, IUnknown FAR* pcmdTarget, IDispatch FAR* pdispReserved)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->ShowContextMenu(dwID, ppt, pcmdTarget, pdispReserved);
return S_FALSE;
}
STDMETHOD(ShowUI)(DWORD dwID, IOleInPlaceActiveObject FAR* pActiveObject,
IOleCommandTarget FAR* pCommandTarget,
IOleInPlaceFrame FAR* pFrame,
IOleInPlaceUIWindow FAR* pDoc)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->ShowUI(dwID, pActiveObject, pCommandTarget, pFrame, pDoc);
return S_FALSE;
}
STDMETHOD(GetHostInfo)(DOCHOSTUIINFO FAR *pInfo)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->GetHostInfo(pInfo);
return S_OK;
}
STDMETHOD(HideUI)(void)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->HideUI();
return S_OK;
}
STDMETHOD(UpdateUI)(void)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->UpdateUI();
return S_OK;
}
STDMETHOD(EnableModeless)(BOOL fEnable)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->EnableModeless(fEnable);
return S_OK;
}
STDMETHOD(OnDocWindowActivate)(BOOL fActivate)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->OnDocWindowActivate(fActivate);
return S_OK;
}
STDMETHOD(OnFrameWindowActivate)(BOOL fActivate)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->OnFrameWindowActivate(fActivate);
return S_OK;
}
STDMETHOD(ResizeBorder)(LPCRECT prcBorder, IOleInPlaceUIWindow FAR* pUIWindow, BOOL fFrameWindow)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->ResizeBorder(prcBorder, pUIWindow, fFrameWindow);
return S_OK;
}
STDMETHOD(TranslateAccelerator)(LPMSG lpMsg, const GUID FAR* pguidCmdGroup, DWORD nCmdID)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->TranslateAccelerator(lpMsg, pguidCmdGroup, nCmdID);
return E_NOTIMPL;
}
STDMETHOD(GetOptionKeyPath)(LPOLESTR FAR* pchKey, DWORD dw)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->GetOptionKeyPath(pchKey, dw);
return E_FAIL;
}
STDMETHOD(GetDropTarget)(IDropTarget* pDropTarget, IDropTarget** ppDropTarget)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->GetDropTarget(pDropTarget, ppDropTarget);
return S_OK;
}
STDMETHOD(GetExternal)(IDispatch** ppDispatch)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->GetExternal(ppDispatch);
return S_FALSE;
}
STDMETHOD(TranslateUrl)(DWORD dwTranslate, OLECHAR* pchURLIn, OLECHAR** ppchURLOut)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->TranslateUrl(dwTranslate, pchURLIn, ppchURLOut);
return S_FALSE;
}
STDMETHOD(FilterDataObject)(IDataObject* pDO, IDataObject** ppDORet)
{
if (m_spDefaultDocHostUIHandler)
return m_spDefaultDocHostUIHandler->FilterDataObject(pDO, ppDORet);
return S_FALSE;
}
//
// IOleCommandTarget
//
STDMETHOD(QueryStatus)(
/*[in]*/ const GUID *pguidCmdGroup,
/*[in]*/ ULONG cCmds,
/*[in,out][size_is(cCmds)]*/ OLECMD *prgCmds,
/*[in,out]*/ OLECMDTEXT *pCmdText)
{
return m_spDefaultOleCommandTarget->QueryStatus(pguidCmdGroup, cCmds, prgCmds, pCmdText);
}
STDMETHOD(Exec)(
/*[in]*/ const GUID *pguidCmdGroup,
/*[in]*/ DWORD nCmdID,
/*[in]*/ DWORD nCmdExecOpt,
/*[in]*/ VARIANTARG *pvaIn,
/*[in,out]*/ VARIANTARG *pvaOut)
{
if (nCmdID == OLECMDID_SHOWSCRIPTERROR)
{
// Don't show the error dialog, but
// continue running scripts on the page.
(*pvaOut).vt = VT_BOOL;
(*pvaOut).boolVal = VARIANT_TRUE;
return S_OK;
}
return m_spDefaultOleCommandTarget->Exec(pguidCmdGroup, nCmdID, nCmdExecOpt, pvaIn, pvaOut);
}
private:
// Default interface pointers
CComQIPtr<IDocHostUIHandler, &IID_IDocHostUIHandler> m_spDefaultDocHostUIHandler;
CComQIPtr<IOleCommandTarget, &IID_IOleCommandTarget> m_spDefaultOleCommandTarget;
LONG m_cRef;
};
使用方法：
class CBrowserView
: public CWindowImpl<CBrowserView, CAxWindow>
, public IDispEventImpl<_nDispatchID, CBrowserView, &DIID_DWebBrowserEvents2>
{
public:
DECLARE_WND_SUPERCLASS(_T("BrowserView"), CAxWindow::GetWndClassName())
CNoScriptErrorHelper m_helper;
BEGIN_SINK_MAP(CBrowserView)
SINK_ENTRY_EX(_nDispatchID, DIID_DWebBrowserEvents2, DISPID_DOCUMENTCOMPLETE, OnEventDocumentComplete)
END_SINK_MAP()
void __stdcall OnEventDocumentComplete(IDispatch* pDisp, VARIANT* URL)
{
CComQIPtr<IWebBrowser2, &IID_IWebBrowser2> iwebBrowser(pDisp);
m_helper.SetHandler(iwebBrowser);
}
// Message map and handlers
BEGIN_MSG_MAP(CBrowserView)
MESSAGE_HANDLER(WM_CREATE, OnCreate)
MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
END_MSG_MAP()
LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& /*bHandled*/)
{
LRESULT lRet = DefWindowProc(uMsg, wParam, lParam);
// Connect events
CComPtr spWebBrowser2;
HRESULT hRet = QueryControl(IID_IWebBrowser2, (void**)&spWebBrowser2);
if(SUCCEEDED(hRet))
{
if(FAILED(DispEventAdvise(spWebBrowser2, &DIID_DWebBrowserEvents2)))
ATLASSERT(FALSE);
}
// Set host flag to indicate that we handle themes
CComPtr spHost;
hRet = QueryHost(IID_IAxWinAmbientDispatch, (void**)&spHost);
if(SUCCEEDED(hRet))
{
const DWORD _DOCHOSTUIFLAG_THEME = 0x40000;
hRet = spHost->put_DocHostFlags(DOCHOSTUIFLAG_NO3DBORDER | _DOCHOSTUIFLAG_THEME);
ATLASSERT(SUCCEEDED(hRet));
}
return lRet;
}
LRESULT OnDestroy(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
// Disconnect events
CComPtr spWebBrowser2;
HRESULT hRet = QueryControl(IID_IWebBrowser2, (void**)&spWebBrowser2);
if(SUCCEEDED(hRet))
DispEventUnadvise(spWebBrowser2, &DIID_DWebBrowserEvents2);
bHandled=FALSE;
return 1;
}
};
CBrowserView 创建窗口的时候用：
CBrowserView m_view;
m_view.Create(parentHWND, rcDefault, L"http://www.iteye.com", WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_VSCROLL | WS_HSCROLL);