>hi!
>I have a logical field project.terminated
>
>I would like to create a parametrized view that will permit me
>1. select only terminated projets.
>2. select only not terminated projects.
>3. select all projects.
>
>thanks in advance,
>Nir.

Your view filter clause should look like:

WHERE INLIST(Project.Terminated, ?lParm1, ?lParm2)

When you need only terminated projects, set lParm1 and lParm2 to true. When you need not terminated projects, set both to false. When you need all, set one to true and the other to false.