CLEAR locol = NEWOBJECT("Collection") locol.ADD(CREATEOBJECT("textbox1"),'Obj1') locol.ADD(locol(1),'Obj2') ADDPROPERTY(m.locol,"collObject",locol(1)) ? locol.COUNT && 1 * no bug REMOVEPROPERTY(m.locol,"collObject") && this remove the property and the reference ? locol.COUNT && 1 ADDPROPERTY(m.locol,"collObject",locol(1)) ? locol.COUNT && 1 !!!! * the bug locol.collObject = NULL && this write null on property and release all items reference to object ? locol.COUNT && 0 !!!!Fabio