Most of this info is stored in the first record (objtype=1,objcode=53)

Attribute     Field Name  Objtype  ObjCode
-------------------------------------------------------
Top Margin    Height         9         1   Page Header            
Left Margin   Hpos           1        53              
Label Width   Width          1        53                
Label Height  Height         9         4   Detail Band                        
# of labels   Vpos           1        53              
Spacing       Height         1        53                  

>Hi, all
>
>How can i change with code, the
>
>Top Margin
>Left Margin
>Label Width
>Label Height
>Number of across labels
>
>in the .lbx file.