... and colums from position. If I put a value of [15] then I have to alter the source every time I change something in the coloms oBrw4:aCols[ 15 ]:bLClickHeader := { |r,c,f,oCol| head_col(oCol:Value),oBrw:refresh() } I tried kleuren is a field name, used in the browse as header. // oBrw4:aCols[ ...