Column flow
Description
Specifies how the column choices are organized. LRTB - left to right, then top-to-bottom. TBLR, top-to-bottom, then left-to-right.
Left-to-right top-to-bottom (LRTB)
Top-to-bottom left-to-right (TBLR)
In this example there are only three rows. The Row count property is set just below the Column flow property. Its default is 3 rows, but it could be set to any number.