IFACEMETHODIMP CTriColorControlProvider::Navigate(_In_ NavigateDirection direction, _Outptr_result_maybenull_ IRawElementProviderFragment ** retVal)
{
*retVal = nullptr;
ComPtr<IInspectable> spFragment;
HRESULT hr = CheckDisconnected();
if (SUCCEEDED(hr))
{
if (direction == NavigateDirection_Parent)
{
hr = m_control->GetAppWindowProvider(&spFragment);
}
else if (direction == NavigateDirection_FirstChild)
{
hr = m_control->GetTriColorFragmentProvider(TriColorValue::Red, &spFragment);
}
else if (direction == NavigateDirection_LastChild)
{
hr = m_control->GetTriColorFragmentProvider(TriColorValue::Green, &spFragment);
}
}
if (SUCCEEDED(hr) && spFragment != nullptr)
{
hr = spFragment.Get()->QueryInterface(IID_PPV_ARGS(retVal));
}
// For the other directions (next, previous) the default of nullptr is correct
return hr;
}
IFACEMETHODIMP CTriColorFragmentProvider::get_FragmentRoot(_Outptr_result_maybenull_ IRawElementProviderFragmentRoot ** retVal)
{
*retVal = nullptr;
HRESULT hr = CheckDisconnected();
if (SUCCEEDED(hr))
{
ComPtr<IInspectable> spFragmentRoot;
hr = m_control->GetAppWindowProvider(&spFragmentRoot);
if (SUCCEEDED(hr))
{
hr = spFragmentRoot.Get()->QueryInterface(IID_PPV_ARGS(retVal));
}
}
return hr;
}