This property is only applicable when the TextWrapping property is set to 'Square' or 'TopAndBottom'. When set to 'TopAndBottom', only the vertical components of the value are applicable.
The unit of measurement used to express the property value is defined by the Unit property of the associated WordDocumentWriter.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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