Visual Basic (Declaration)
C#
If this property value is null, the orientation is selected depending on the
number of fields to be shown in the report—portrait orientation if the number of
fields does not exceed 4 and landscape orientation otherwise.
Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family