MSHFlexGrid Allignment

hi friends I want to allign shown data on my MSHFlexgrid to center;I used below code

MSHFlexGrid1.ColAlignment(1) = 4

in sub load() but didnt work,I alse used another button with same code but id didnt work(actually fixed one(one grey by default) doesnt change;but for other rows they are ok;what do you think the problem is?


thank you in advanc