property Items.ItemBreak(Index as Long) as BreakLineEnum
Retrieves or sets a value that indicates whether the item is painted as a break line.

TypeDescription
Index as Long A long expression that indicates the index of the item.
BreakLineEnum A BreakLineEnum expression that defines the type of break line.

The control draws the break line only if the cell's Caption is empty. Use the CellMerge property to combine two or more cells in a single cell.

The following sample adds a break line: 

List1.Items.ItemBreak(List1.Items.Add()) = DoubleDotLine