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How to access an HTML document in Firefox using IAccessible

I can get the IAccessible object from the Firefox window using this code:

Guid guid = new Guid("{618736E0-3C3D-11CF-810C-00AA00389B71}"); object obj = null; int ret = AccessibleObjectFromWindow(hWnd, (uint) OBJID.WINDOW, ref guid, ref obj); Accessibility.IAccessible acc = (Accessibility.IAccessible)obj;

However, I'm not sure where to go from here. I need to get the full HTML from the document. I know about the IAccessible.get_accValue () method, but I'm not sure how to use it in relation to Firefox. Any help would be greatly appreciated.

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Apparently, you cannot get the full HTML source using IAccessible. I found this, but it does not work in FF3.5:

 IServiceProvider *pServProv = NULL; pAccessible->QueryInterface(IID_IServiceProvider, (void**)&pServProv); ISimpleDOMNode *pSimpleDOMNode; if (pServProv) { const GUID refguid = {0x0c539790, 0x12e4, 0x11cf, 0xb6, 0x61, 0x00, 0xaa, 0x00, 0x4c, 0xd6, 0xd8}; HRESULT result = pServProv->QueryService(refguid, IID_ISimpleDOMNode, (void**)&pSimpleDOMNode); if (SUCCEEDED(hresult) && pSimpleDOMNode != NULL) { /* This is a Mozilla node! Use special ISimpleDOMNode methods described in ISimpleDOMNode.idl. */ } }

I also found this, which also does not work in FF3.5:

 HRESULT hr = AccessibleObjectFromWindow(hwnd, OBJID_CLIENT, IID_IAccessible, (void**)&pAccessible); if (SUCCEEDED(hr) && pAccessible != NULL) { HRESULT hr = pAccessible->QueryInterface( IID_ISimpleDOMNode, (void**)&pSimpleDOMNode); }

I am stuck.: (

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