I have no idea why it's disabled, but why don't you try to hack the FRX to change the value. Find the band record (OBJTYPE = 9) and change the PLAIN field to .f.

Cathy



>Hello Everybody
>
>I'm working with the report designer (foxpro 7.0)
>I have sorted the report
>At the group beginning / group end of my sort fields i print only under spezial conditions.
>Within the print options of each field in the end of xxx aerea I coded:
>Print only: if xxx = .T.
>I marked remove line if empty for each field !
>Everything works as expected
>But:
>I can not disable the constant hight checkbox for the group beginning / group end aereas ???
>It seems to be disabeld ???
>So if there is nothing to print under my spezial conditions the empty aerea is always printed ????
>
>Any help welcomed !!
>
>Best regards
>Albert