[Progress Communities] [Progress OpenEdge ABL] Forum Post: RE: JSON question - IsNull

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class TheNewObjectClass inherits TheObjectClass: method public override logical IsNull(propertyName as character): if (not this-object:Has(propertyName) then return true. return super:IsNull(propertyName). end method. end class. // assuming TheObjectClass is the class theObject is an instance of (and isn't final). // of course now you have to make sure that theObject is of type TheNewObjectClass

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