>hi, Thank you for answer
>
>This my code but I have problem
>
>parameters cnodo && name of the nodo
>local oempty as empty
>oempty = newobject([EMPTY])
>addproperty(oempty,[borra],.f.)
>addproperty(oempty,[modif],.f.)
>thisform.mynodeproperties = newobject([Collection])
>
>k=rand()
>oempty.borra = iif(k>0.5,.t.,.f.)
>
>thisform.mynodeproperties.add(oempty,cnodo)
>
>*-- When I am creating every node in the treevew I call this method
>*-- hitherto to this one well but when I want to assign the value of the
>*-- property 'borra'
>
>*-nodeclick
>*- (thisform.folder1.page2.chborra.Value) this's an checkbox
>
>*- thisform.folder1.page2.chborra.Value = thisform.mynodeproperties.Item(node.key).borra
>
>*-- error
>*-- index or expression does not match an existing member an the collection


Not NAME of the node you should add node KEY!