Gets the font family name that is used to construct the FontFamily object.
Assembly: System.Windows (in System.Windows.dll)
The default value for a referenced FontFamily is initialized with the value Portable User Interface. This value is an alias. For information about the Portable User Interface concept, and information about which font families are considered default system fonts for Silverlight for either Western or East Asian character sets, see Text and Fonts.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.