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我可以使用以下代码从 Firefox 窗口获取 IAccessible 对象:

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;

但是,我不确定从这里去哪里。我需要从文档中获取完整的 HTML。我知道 IAccessible.get_accValue() 方法,但我不确定如何在 Firefox 中使用它。任何帮助将非常感激。

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1 回答 1

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显然您无法使用 IAccessible 获得完整的 HTML 源代码。我发现了这个,但它在 FF3.5 中不起作用:

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. */
  }
}

我还发现了这个,它在 FF3.5 中也不起作用:

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

我被困住了。:(

于 2009-08-21T14:58:56.010 回答