Depending on the value of this property, either the FrozenPaneSettings or the UnfrozenPaneSettings will be used for the worksheet. The unused settings are ignored and are not saved with the workbook stream.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2