Type testobj
Field x:Int
Field obj:testobj=Null
End Type
'
Local test1:testobj = New testobj
If Not test1.obj Print "It's null"
Local test2:testobj = New testobj
test1.obj = test2
If test1.obj Print "It's NOT null"
test1.obj=null
if not test1.obj print "Its null again"
?