This property contents are Error, Fatal, or Panic (in an error message), or Warning, Notice, Debug, Info, or Log (in a notice message), or a localized translation of one of these.
Requirements
Target Platforms: 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