This example sets the row height to 15 points for rows 1 through 10.
Spreadsheet1.Range("a1:a10").RowHeight = 15
This example sets a variable to a range that includes the second through last row of columns 3 and 4 in the current region for cell A1.
Set curRegion = Spreadsheet1.Range("a1").CurrentRegion
Set tempRange = curRegion.Range(curRegion.Cells(2, 3), _
curRegion.Cells(curRegion.Rows.Count, 4))