The -tile option sets the fill pattern. The command above translates to this:
using (MagickImage image = new MagickImage(MagickColors.LightBlue, 320, 100)) { image.Settings.Font = "Candice"; image.Settings.FontPointsize = 72; image.Settings.FillPattern = new MagickImage("pattern:checkerboard"); image.Annotate("Anthony", new MagickGeometry(28, 68)); image.Write("font_tile.jpg"); }