>I am no expert, but have you define a Let in your ActiveX?
>Some thing like this:
>
>Public Property Let ParentObject(ByVal piValue As Object)
>>
>>loValidation.ParentObject=myobjectnamehere
>>
>>Why is it that I get Member not found when assigning an object to this property?

With an object, we have to use Set. See my other reply to Jay for the entire settings.