>Can arrays be object properties? If so, can they then be redimensioned after an object has been instantiated? TIA.

Yes, properties can be arrays, and the array member properties can be redimensioned, sorted, etc. They cannot be passed by reference to a function or method; you'd have to pass the object reference and use the object to access the array once passed. The same limit of 65000 elements in an array apply to array properties, and they still can be either one or two dimensional.