hi Nages,
The my FWH version is 23.10 but as already posted the condition under which the space is discarded is
if nKey == 32 .and. ::nMarqueeStyle <= MARQSTYLE_HIGHLROWRC .and. oCol:hChecked .and. oCol:lEditable
...
elseif nKey == 32 .and. !::lFastEdit .and. ::oMultiSelCol != nil
TIA