If the name is preset, does that mean they can't change it? If so, why not use GETDIR()?

>Dear All
>
>I need to create file with preset name where user can choose folder to save, so I used
>

>cFile=putfile('Save' , 'myENS' , 'XML')
>

>
>It works as expected, but only first time used. On every consecutive try, dialog appears WITHOUT preset file name.
>
>Is this known glitch ? Any ideas how to fix this ?
>Any other idea how to implement the same problem free ?
>
>TIA
>Sergio