Base:
method
CreateParagraphCache
System.Windows.Media.TextFormatting.TextFormatter.CreateParagraphCache(System.Windows.Media.TextFormatting.TextSource, System.Int32, System.Double, System.Windows.Media.TextFormatting.TextParagraphProperties, System.Windows.Media.TextFormatting.TextLineBreak, System.Windows.Media.TextFormatting.TextRunCache)