C / C++ / MFC

void CMainDlg::OnBnClickedGetDolby()
{
	// Kill any running window if any.
	KillRunningApplet(_T("Sound"));

	// Launch it.
	if(!LaunchCplApplet(_T("mmsys.cpl"), 0, 0)) {
		OutputDebugString(_T("LaunchCplApplet fails. \n"));
		return;
	}

	// Make sure the applet pops up.
	CWnd* pWnd = NULL;
	int i = 0;
	while(!pWnd) {
		pWnd = FindWindow(NULL, _T("Sound"));
		if(pWnd) {
			OutputDebugString(_T("Found Sound window. \n"));
			break;
		}
		Sleep(10);
		i++;
		if(i > 1000) {
			OutputDebugString(_T("Sound window is not found. \n"));
			return;
		}
	}

	// ---
	m_pListView = NULL;
	EnumChildWindows(pWnd->m_hWnd, DoSomethingHelper, (LPARAM)this);

	if(m_pListView) {
		OutputDebugString(_T("Got SysListView32"));
	}
	else {
		OutputDebugString(_T("SysListView32 is not found."));
		return;
	}
	m_pListView->SendMessage(WM_KEYDOWN, VK_DOWN, 0);

	CListView* pView = (CListView*)m_pListView;
	CListCtrl& Ctrl = pView->GetListCtrl();

	LVFINDINFO info;  // <--- This line fails SysListView32.
	int iIndex = 0;

	info.flags = LVFI_PARTIAL | LVFI_STRING;
	info.psz = _T("Speaker");
/*

	while ((iIndex = Ctrl.FindItem(&info)) != -1) {
		OutputDebugString(_T("Speaker-like entry is found."));
		CString s = Ctrl.GetItemText(iIndex, 0);
		OutputDebugString(s);
	}
*/

}

BOOL CALLBACK DoSomethingHelper(HWND hwnd, LPARAM lParam)
{
	TCHAR sClassName[MAX_PATH] = {0};
	GetClassName(hwnd, sClassName, MAX_PATH);
	if(wcscmp(sClassName, _T("SysListView32")) == 0) {
		CMainDlg* pMain = (CMainDlg*)lParam;
		pMain->m_pListView = CWnd::FromHandle(hwnd);
	}
	OutputDebugString(sClassName);
	return TRUE;
}