_SetFocus
void _SetFocus(BView* focusView,
_SetFocus(tab);
_SetFocus(tab);
virtual void _SetFocus(Decorator::Tab* tab);
fOwner->_SetFocus(this, true);
fOwner->_SetFocus(NULL, true);
fOwner->_SetFocus(NULL, true);
_SetFocus(tab);
_SetFocus(decoratorTab);
virtual void _SetFocus(Decorator::Tab* tab);
virtual void _SetFocus(Decorator::Tab* tab);