Macro expansion stops at the first period (.)! Use name expression in stead.

lcPrinter=alltrim(Imprimantes.imprim)
Set printer to name (lcPrinter)

>alltrim(Imprimantes.imprim) and oApp.cNomImprim contain the same string
>
>
>lcPrinter = "set printer to name alltrim(Imprimantes.imprim)"
>&lcPrinter
>
>No problem after execution
>
>
>
>
>lcPrinter = "set printer to name oApp.cNomImprim"
>&lcPrinter
>
>After that execution I receive Error accessing printer spooler (Error 1957)
>
>What's wrong here?