Typography.NumeralStyle Attached Property
Gets or sets a FontNumeralStyle enumerated value that determines the set of glyphs that are used to render numeric alternate font forms.
Assembly: System.Windows (in System.Windows.dll)
This property gets or sets a value on the object that owns a Typography property, which is the only way to access a Typography class instance. In addition, this property supports an attached property usage so that it can be set on text-containing objects in XAML.
OpenType fonts support an old style numeral format. This format is useful for displaying numerals in styles that are no longer standard.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.