fAncestorsVisible
bool fAncestorsVisible;
if (!fAncestorsVisible)
item->AncestorVisibilityChanged(fAncestorsVisible);
return fAncestorsVisible;
if (fAncestorsVisible == shown)
fAncestorsVisible = shown;
fAncestorsVisible(true),
fAncestorsVisible(true),
return showLevel - (fAncestorsVisible ? 0 : 1) <= 0;
if (fAncestorsVisible == shown)
fAncestorsVisible = shown;
int32 fAncestorsVisible;