Typography.StylisticAlternates Attached Property
Gets or sets a value that specifies the index of a stylistic alternates form
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.
Alternates are glyphs that can be substituted for a standard glyph. OpenType fonts, such as the Pericles font used in the following examples, contain alternate glyphs that you can use to create different appearances for text.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.