>>Is there a way to remove a property at runtime ?
>
>No, you cannot remove property at runtime.
>
>Is there a way to test for the existence of an array in memory?
>
>If it's not property array than you can test this way

 IF Type("myArray[1]") = "U"
>  * Array myArray doesn't exist or variable myArray isn't an array
>ENDIF

For array properties see Message #620328.

Thanks

Ian