// we have already checked for the item to be valid in wxRadioBoxBase
const HWND hwndRbtn = (*m_radioButtons)[item];
if ( tooltip != NULL )
- tooltip->Add(hwndRbtn);
+ tooltip->AddOtherWindow(hwndRbtn);
else // unset the tooltip
wxToolTip::Remove(hwndRbtn, 0, wxRect(0,0,0,0));
// the second parameter can be zero since it's ignored by Remove()