Returns TRUE to indicate that this is a DEO. This is used by
delegation to figure out if you are within a DEO and should therefore
send a DEO message. DEO clients set this true
we Modify this not delegate and look for a parent verify exit msg if this msg is 0.
We assume that toolpanels and dbModalPanels are self contained in terms of opening and closing
and therefore should only use themselves to figure out if there is a verify exit msg. This is needed
in case a db modal panel physically placed inside of another DEO.