>You have to take care that You do not close the parent form >before closing the child-form as the object-reference attached >to form3 would still be there.
As an extra bit of info. He should not close but he can hide the other form if desired.
"Once again, we come to the Holiday Season, a deeply religious time that each of us observes, in his own way, by going to the mall of his choice." -- Dave Barry