This property is only applicable when the NumberingStyle property is set to 'None'. In all other cases, the string which appears in the serialized XML to indicate automatic numbering is returned.
Typically the value assigned to this property consists of a symbol character. The appearance of this character in the document is determined by the way that character appears under the font settings defined by the Font property.
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