根据Internet Explorer_Server窗口得到IHtmlDocument2接口（IE编程）

来源：互联网发布：西方的没落知乎编辑：程序博客网时间：2024/05/22 06:49

原文转载：http://www.cnblogs.com/chenzhifei/archive/2008/11/12/1332300.html

原文中代码编译不成功，其中有修改的地方标红。

#include <mshtml.h>#include <atlbase.h>#include <oleacc.h>

<pre name="code" class="cpp">IHTMLDocument2* GetDocInterface(HWND hWnd){CoInitialize(NULL);IHTMLDocument2* pDoc2 = NULL;// Explicitly load MSAA so we know if it's installedHINSTANCE hInst = ::LoadLibrary(_T("OLEACC.DLL"));if (hInst != NULL){if (hWnd != NULL){HWND hWndChild = NULL;// Get 1st document window//::EnumChildWindows(hWnd, EnumChildProc, (LPARAM)&hWndChild);EnumWindows(EnumProc, (LPARAM)&hWndChild);if (hWndChild){CComPtr<IHTMLDocument2> spDoc;LRESULT lRes;UINT nMsg = ::RegisterWindowMessage(_T("WM_HTML_GETOBJECT"));::SendMessageTimeout(hWndChild, nMsg, 0L, 0L, SMTO_ABORTIFHUNG, 1000, (DWORD*)&lRes);LPFNOBJECTFROMLRESULT pfObjectFromLresult = (LPFNOBJECTFROMLRESULT)::GetProcAddress(hInst, _T("ObjectFromLresult"));if (pfObjectFromLresult != NULL){HRESULT hr;hr = (*pfObjectFromLresult)(lRes, IID_IHTMLDocument, 0, (void**)&spDoc);if (SUCCEEDED(hr)){CComPtr<IDispatch> spDisp;    // 源代码为CComPtr spDisp;CComQIPtr<IHTMLWindow2> spWin;// 源代码为CComQIPtr spWin;        spDoc->get_Script(&spDisp);spWin = spDisp;spWin->get_document(&pDoc2);}}} // else document not ready} // else Internet Explorer is not running::FreeLibrary(hInst);} // else Active Accessibility is not installedCoUninitialize();return pDoc2;}

更多详细内容转载：http://www.cnblogs.com/chenzhifei/archive/2008/11/12.html

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