The column's index is not the same with the column's position. The Index property of Column cannot be changed by the user. Use the Position property to change the column's position. The EnsureVisibleColumn method ensures that a given column fits the control's client area. Use the SortPosition property to change the position of the column in the control's sort bar. Use the Visible property to hide a column. Use the Width property to specify the column's width. The RightToLeft property flips the order of the control's elements from right to left.