FormattedText.SetFontTypeface Method (Typeface, Int32, Int32)
Sets the font typeface for a specified subset of characters in the FormattedText object.
Assembly: PresentationCore (in PresentationCore.dll)
Typeface represents a combination of FontFamily, FontWeight, FontStyle, and FontStretch. Typeface supports multiple constructors, one of which constructs based on a typeface name, another of which takes discrete values for FontFamily, FontWeight, FontStyle, and FontStretch.
To set the font typeface for the entire text string, use the SetFontTypeface(Typeface) method.