Looks up a localized string similar to String Format of the vertical labels. Here you can find the most common number format http://msdn.microsoft.com/en-us/library/0c899ak8.aspx.

public static string VerticalLabelFormatDescription { get; }

Public Shared ReadOnly Property VerticalLabelFormatDescription As String
	Get

static function get VerticalLabelFormatDescription () : String