去掉WebBrowser的边框和滚动条

#include "StdAfx.h" #include "WebbrowserEventSinker.h" #include "DocHostUIHandler.h" #include <ExDispid.h> #include <comdef.h> #include <comdefsp.h> /****************************************************************************** * IUnknown Interfaces -- All COM objects must implement, either * directly or indirectly, the IUnknown interface. ******************************************************************************/ /****************************************************************************** * QueryInterface -- Determines if this component supports the * requested interface, places a pointer to that interface in ppvObj if it is * available, and returns S_OK. If not, sets ppvObj to NULL and returns * E_NOINTERFACE. ******************************************************************************/ STDMETHODIMP WebbrowserEventSinker::QueryInterface(REFIID riid, void ** ppvObj) { if (riid == IID_IUnknown){ *ppvObj = static_cast<IUnknown*>(this); } else if (riid == IID_IDispatch){ *ppvObj = static_cast<IDispatch*>(this); } else if (riid == DIID_DWebBrowserEvents2){ *ppvObj = static_cast<IDispatch*>(this); } else{ *ppvObj = NULL; return E_NOINTERFACE; } static_cast<IUnknown*>(*ppvObj)->AddRef(); return S_OK; } /****************************************************************************** * AddRef() -- In order to allow an object to delete itself when * it is no longer needed, it is necessary to maintain a count of all * references to this object. When a new reference is created, this function * increments the count. ******************************************************************************/ STDMETHODIMP_(ULONG) WebbrowserEventSinker::AddRef() { return ++m_refCount; } /****************************************************************************** * Release() -- When a reference to this object is removed, this * function decrements the reference count. If the reference count is 0, * this function deletes this object and returns 0. ******************************************************************************/ STDMETHODIMP_(ULONG) WebbrowserEventSinker::Release() { m_refCount--; if (m_refCount == 0) { //如果忘记调用UnAdviseWebbrowser() UnAdviseWebbrowser(); //释放组件本身 delete this; return 0; } return m_refCount; } /****************************************************************************** * IDispatch Interface -- This interface allows this class to be used as an * Automation server, allowing its functions to be called by other COM * objects. ******************************************************************************/ /****************************************************************************** * GetTypeInfoCount -- This function determines if the class supports type * information interfaces or not. It places 1 in iTInfo if the class supports * type information and 0 if it does not. ******************************************************************************/ STDMETHODIMP WebbrowserEventSinker::GetTypeInfoCount(UINT *iTInfo) { *iTInfo = 0; return S_OK; } /****************************************************************************** * GetTypeInfo -- Returns the type information for the class. For classes * that do not support type information, this function returns E_NOTIMPL; ******************************************************************************/ STDMETHODIMP WebbrowserEventSinker::GetTypeInfo(UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo) { return E_NOTIMPL; } /****************************************************************************** * GetIDsOfNames -- Takes an array of strings and returns an array of DISPIDs * that correspond to the methods or properties indicated. If the name is not * recognized, it returns DISP_E_UNKNOWNNAME. ******************************************************************************/ STDMETHODIMP WebbrowserEventSinker::GetIDsOfNames(REFIID riid, OLECHAR **rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId) { return E_NOTIMPL; } /****************************************************************************** * Invoke -- Takes a dispid and uses it to call another of the methods of this * class. Returns S_OK if the call was successful. ******************************************************************************/ STDMETHODIMP WebbrowserEventSinker::Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult, EXCEPINFO* pExcepInfo, UINT* puArgErr) { //Validate arguments. if ((riid != IID_NULL)) return E_INVALIDARG; //if (dispIdMember != DISPID_STATUSTEXTCHANGE)//过于频繁的不显示了 //{ // TCHAR buf[128] = {0}; // _stprintf(buf, _T("WebbrowserEventSinker::Invoke dispId = %d\n"), dispIdMember); // TRACE(buf); //} HRESULT hr = S_OK; // Initialize. switch (dispIdMember) { // // The parameters for this DISPID are as follows: // [0]: URL to navigate to - VT_BYREF|VT_VARIANT // [1]: An object that evaluates to the top-level or frame WebBrowser object corresponding to the event. // Note: The IDocHostUIHandler association must be set up every time we navigate to a new page. case DISPID_NAVIGATECOMPLETE2: if (pDispParams->cArgs >= 2 && pDispParams->rgvarg[1].vt == VT_DISPATCH) SetCustomDocUIHandler(pDispParams->rgvarg[1].pdispVal); break; case DISPID_DOCUMENTCOMPLETE: if (pDispParams->cArgs >= 2 && pDispParams->rgvarg[1].vt == VT_DISPATCH) { IWebBrowser2Ptr pBrowser; (pDispParams->rgvarg[1].pdispVal)->QueryInterface(IID_IWebBrowser2,(void**)&pBrowser); if (pBrowser) { IHTMLDocument2Ptr pDocument; IDispatchPtr spDisp; pBrowser->get_Document(&spDisp); pDocument = spDisp; if (pDocument) { IHTMLElementPtr pElement; IHTMLBodyElementPtr pBody; //IID_IHTMLBodyElement pDocument->get_body(&pElement); pBody = pElement; if (pBody != NULL) { pBody->put_scroll((BSTR)L"no"); IHTMLStylePtr pStyle; pElement->get_style(&pStyle); pStyle->put_border((BSTR)L"none"); } } } } break; default: break; } return hr; } ////////////////////////////////////////////////////////////////////////// // // 类的非接口函数实现 // ////////////////////////////////////////////////////////////////////////// /// 静态函数，类的唯一入口，返回的指针通过Release释放(会自动调用UnAdviseWebbrowser) WebbrowserEventSinker* WebbrowserEventSinker::AdviseWebbrowser(IWebBrowser2* pWebbrowser2) { WebbrowserEventSinker* pSink = NULL; //设置连接点 try { if (pWebbrowser2) { IConnectionPointContainerPtr pConnPtContainer; IConnectionPointPtr pConnectionPoint; // Get IConnectionPointContainer interface for the server. HRESULT hr = pWebbrowser2->QueryInterface( IID_IConnectionPointContainer, (void **)&pConnPtContainer ); if (SUCCEEDED(hr) && pConnPtContainer != NULL) { // Find the connection point for events that you are interested in. hr = pConnPtContainer->FindConnectionPoint( DIID_DWebBrowserEvents2, &pConnectionPoint); if (SUCCEEDED(hr) && pConnectionPoint != NULL) { //Create a WebbrowserEventSinker. pSink = new WebbrowserEventSinker(); pSink->AddRef(); // Set up advisory connection. hr = pConnectionPoint->Advise(pSink, &pSink->m_dwConnectionCookie); if (SUCCEEDED(hr)) { pSink->m_pConnectionPoint = pConnectionPoint; pSink->m_pConnectionPoint->AddRef(); } else { pSink->Release(); pSink = NULL; } } } } } catch (...) { } return pSink; } WebbrowserEventSinker::WebbrowserEventSinker() { m_refCount = 0; m_pConnectionPoint = NULL; m_dwConnecti