* At Design .Margin <2 * BackColor overwrite Right zone by MAX(2-.Margin,0) vertical lines. * At Runtime ( AT Design conditions, plus other conditions ) * For simple EditBox on a Form the bug is not present at runtime. * For Sub-Sub -( ?times ) - Class EditBox on a Sub-Sub -( ?times ) - Class Form * and with the form object created with NEWOBJECT() i see the bug, but i do not want to search the minimal case.Fabio