IE WebBrowser控件基本使用

// MainDlg.cpp : implementation of the CMainDlg class // ///////////////////////////////////////////////////////////////////////////// #include "stdafx.h" #include "resource.h" #include "MainDlg.h" #include "AboutDlg.h" LRESULT CMainDlg::OnInitDialog(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/) { // center the dialog on the screen CenterWindow(); // set icons HICON hIcon = (HICON)::LoadImage(_Module.GetResourceInstance(), MAKEINTRESOURCE(IDR_MAINFRAME), IMAGE_ICON, ::GetSystemMetrics(SM_CXICON), ::GetSystemMetrics(SM_CYICON), LR_DEFAULTCOLOR); SetIcon(hIcon, TRUE); HICON hIconSmall = (HICON)::LoadImage(_Module.GetResourceInstance(), MAKEINTRESOURCE(IDR_MAINFRAME), IMAGE_ICON, ::GetSystemMetrics(SM_CXSMICON), ::GetSystemMetrics(SM_CYSMICON), LR_DEFAULTCOLOR); SetIcon(hIconSmall, FALSE); //查询得到IWebBrowser2接口 CAxWindow wndIE = GetDlgItem(IDC_IE); if (wndIE.IsWindow()) { wndIE.QueryControl(&m_spWebBrowser); } NavigateTo(L"http://www.baidu.com"); return TRUE; } void CMainDlg::OnClose() { EndDialog(0); return; } void CMainDlg::OnGo(UINT uNotifyCode, int nID, CWindow wndCtl) { WCHAR szUrl[MAX_PATH] = {0}; if (GetDlgItemText(IDE_URL, szUrl, MAX_PATH)) { NavigateTo(szUrl); } } void CMainDlg::OnBack(UINT uNotifyCode, int nID, CWindow wndCtl) { if (m_spWebBrowser) { m_spWebBrowser->GoBack(); } } void CMainDlg::OnForward(UINT uNotifyCode, int nID, CWindow wndCtl) { if (m_spWebBrowser) { m_spWebBrowser->GoForward(); } } void CMainDlg::OnStop(UINT uNotifyCode, int nID, CWindow wndCtl) { if (m_spWebBrowser) { m_spWebBrowser->Stop(); } } void CMainDlg::OnRefresh(UINT uNotifyCode, int nID, CWindow wndCtl) { CComVariant vLevel; if (m_spWebBrowser) { vLevel = REFRESH_COMPLETELY; m_spWebBrowser->Refresh2(&vLevel); } } void CMainDlg::OnAbout(UINT uNotifyCode, int nID, CWindow wndCtl) { CAboutDlg dlg; dlg.DoModal(); } void CMainDlg::NavigateTo(LPCWSTR pszUrl) { if (m_spWebBrowser) { CComVariant v; m_spWebBrowser->Navigate(CComBSTR(pszUrl), &v, &v, &v, &v); } } void __stdcall CMainDlg::OnDownloadBegin() { OutputDebugString(L"OnDownloadBegin"); } void __stdcall CMainDlg::OnDownloadComplete() { OutputDebugString(L"OnDownloadComplete"); } void __stdcall CMainDlg::OnBeforeNavigate(LPDISPATCH pDisp, VARIANT* URL, VARIANT* Flags, VARIANT* TargetFrameName, VARIANT* PostData, VARIANT* Headers, BOOL* Cancel) { if (URL) { CString strUrl; strUrl.Format(L"OnBeforeNavigate %s", URL->bstrVal); OutputDebugString(strUrl); //可指定Cancel来阻止访问 if (strUrl.CompareNoCase(L"OnBeforeNavigate http://www.sina.com/")==0) { *Cancel = TRUE; OutputDebugString(L"http://www.sina.com/ is Canceled!"); } } } void __stdcall CMainDlg::OnNavigateComplete(LPDISPATCH pDisp, VARIANT* URL) { if (URL) { CString strUrl; strUrl.Format(L"OnNavigateComplete %s", URL->bstrVal); OutputDebugString(strUrl); } } void __stdcall CMainDlg::OnDocumentComplete(LPDISPATCH pDisp, VARIANT* URL) { if (URL) { CString strUrl; strUrl.Format(L"OnDocumentCompleteIe %s", URL->bstrVal); OutputDebugString(strUrl); } }