TARGET_IS_CHILD
if (fRelation == TARGET_IS_CHILD) {
else if (fRelation == TARGET_IS_CHILD)
if (fRelation != TARGET_IS_CHILD && !IsHidden(this))
fRelation = TARGET_IS_CHILD;
else if (fRelation == TARGET_IS_CHILD)
if (item->relation == BDragger::TARGET_IS_CHILD
if (relation == BDragger::TARGET_IS_CHILD
|| relation == BDragger::TARGET_IS_CHILD)
if (relation != BDragger::TARGET_IS_CHILD)
relation = BDragger::TARGET_IS_CHILD;
if (dragger->fRelation == BDragger::TARGET_IS_CHILD)
else if (dragger->fRelation == BDragger::TARGET_IS_CHILD)