void GetExplorerWindows(std::vector<PairHwndPath>& windows, BOOL needPaths) { IShellWindows *psw; if(SUCCEEDED(CoCreateInstance(CLSID_ShellWindows, NULL, CLSCTX_ALL, IID_IShellWindows, (void**)&psw))) { VARIANT v; V_VT(&v) = VT_I4; IDispatch* pdisp; for(V_I4(&v) = 0; psw->Item(v, &pdisp) == S_OK; V_I4(&v)++) { IWebBrowserApp *pwba; if(SUCCEEDED(pdisp->QueryInterface(IID_IWebBrowserApp, (void**)&pwba))) { PairHwndPath pair; if(SUCCEEDED(pwba->get_HWND((LONG_PTR*)&pair.hwnd))) { IServiceProvider *psp; if(needPaths && SUCCEEDED(pwba->QueryInterface(IID_IServiceProvider, (void**)&psp))) { IShellBrowser *psb; if(SUCCEEDED(psp->QueryService(SID_STopLevelBrowser, IID_IShellBrowser, (void**)&psb))) { IShellView *psv; if(SUCCEEDED(psb->QueryActiveShellView(&psv))) { IFolderView *pfv; if(SUCCEEDED(psv->QueryInterface(IID_IFolderView, (void**)&pfv))) { IPersistFolder2 *ppf2; if(SUCCEEDED(pfv->GetFolder(IID_IPersistFolder2, (void**)&ppf2))) { LPITEMIDLIST pidlFolder; if(SUCCEEDED(ppf2->GetCurFolder(&pidlFolder))) { if(!SHGetPathFromIDList(pidlFolder, pair.path)) { IShellFolder* psf; LPCITEMIDLIST pidlLast; if(SUCCEEDED(SHBindToParent(pidlFolder, IID_IShellFolder, (void**)&psf, &pidlLast))) { STRRET strret; if(SUCCEEDED(psf->GetDisplayNameOf(pidlLast, 0x8000, &strret))) { StrRetToBuf(&strret, pidlLast, pair.path, MAX_PATH); } else { pair.path[0] = 0; } psf->Release(); } } CoTaskMemFree(pidlFolder); } ppf2->Release(); } pfv->Release(); } psv->Release(); } psb->Release(); } psp->Release(); } windows.push_back(pair); } pwba->Release(); } pdisp->Release(); } psw->Release(); } }
HRESULT CDeskBand::GetIServiceProvider(HWND hwnd, IServiceProvider ** pServiceProvider) { HRESULT hr = E_FAIL; if (m_pSite) hr = m_pSite->QueryInterface(IID_IServiceProvider, (LPVOID*)pServiceProvider); else { // we don't have a site, so we try finding the explorer window by enumerating // all explorer instances and compare that to the parent of hwnd. IShellWindows *psw; if (SUCCEEDED(CoCreateInstance(CLSID_ShellWindows, NULL, CLSCTX_ALL, IID_IShellWindows, (LPVOID*)&psw))) { VARIANT v; V_VT(&v) = VT_I4; IDispatch *pdisp; BOOL fFound = FALSE; long count = -1; if (SUCCEEDED(psw->get_Count(&count))) { for (V_I4(&v) = 0; !fFound && (V_I4(&v) < count) && SUCCEEDED(psw->Item(v, &pdisp)); V_I4(&v)++) { if (pdisp) { IWebBrowserApp *pwba; if (SUCCEEDED(pdisp->QueryInterface(IID_IWebBrowserApp, (LPVOID*)&pwba))) { HWND hwndWBA; if (SUCCEEDED(pwba->get_HWND((LONG_PTR*)&hwndWBA))) { if ((hwndWBA == hwnd)||(hwndWBA == ::GetParent(hwnd))) { fFound = TRUE; hr = pwba->QueryInterface(IID_IServiceProvider, (void**)pServiceProvider); } } pwba->Release(); } pdisp->Release(); } } } psw->Release(); } } return hr; }