page setup on crystal report 8.5

dear babu,
i want to ask you a question on crystal report 8.5.
i'm using crystal report viewer from visual basic 6.0 to view reports but i'm found problems to setup page margin until this time. can you help me for a while ??

how to view page setup on my crystal report viewer so end user have flexibility to customize the margin ??

thanks for your help.

emmileI think you cannot do that at run time
You need to design it in Design time