'Declaration Public Property ShowLegendKey As ExcelDefaultableBoolean
public ExcelDefaultableBoolean ShowLegendKey {get; set;}
The legend key is not shown by default; to show the legend key in the label, set this property to true.
Target Platforms: Windows 10, Windows 8.1, Windows 8, 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