>How can I create one array property like that one defined in tastrade.pjx, tsbase.vcx, tsbaseform class, aerrormsg[3,0] property.
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>I have tried menu class option, new property, name = aerrormsg[3,0] and click add buttom. After I click add button I receive the message * Invalid subscript reference *
>
>What I am missing?

Use aerrormsg[3,1]. VFP doesn't have 0 column.