>I have defined a popup like this:
>
>DEFINE POPUP ficheros MARGIN RELATIVE SHADOW COLOR SCHEME 4
>DEFINE BAR 1 OF ficheros PROMPT "Activar empresa"
>DEFINE BAR 2 OF ficheros PROMPT "Mantenimiento empresas"
>DEFINE BAR 3 OF ficheros PROMPT "Duplicar empresas"
>DEFINE BAR 4 OF ficheros PROMPT "Mantenimiento plan contable"
>DEFINE BAR 5 OF ficheros PROMPT "Mantenimiento conceptos"
>DEFINE BAR 6 OF ficheros PROMPT "Copiar plan contable"
>DEFINE BAR 7 OF ficheros PROMPT "Copiar conceptos"
>DEFINE BAR 8 OF ficheros PROMPT "Reconstrucción contabilidad"
>DEFINE BAR 9 OF ficheros PROMPT "Cierre de ejercicio"
>DEFINE BAR 10 OF ficheros PROMPT "Regularización automática"
>ON SELECTION BAR 1 OF ficheros do form ..\altaemp to numemp
>
>I want to hide bar 1 of ficheros and I write the next:
>
>SET SKIP OF BAR 1 OF ficheros . T .
>
>but this is not right.

Actualy, you command will try to disable bar not to hide it, and I believe it supposed to be natural menu/popup behaviour.