void DeleteContents(VPVector & v);
void DeleteSelectedObjects(VPVector & v);
void RemoveSelectedObjects(VPVector & v);
+void RemoveHoveredObjects(VPVector & v);
void SavePointsFrom(VPVector & v, std::vector<Object> & s);
void RestorePointsTo(VPVector & v, std::vector<Object> & s);
void RestorePointsTo(VPVector & v, VPVector & s);