Just found another Uniface blog. It is from Rik Lewis and so far it contains some nice coding examples:
http://uniface.blogspot.co.uk/
Pat Walsh also has some Uniface stuff on his blog:
http://www.patwalsh.co.uk/tag/uniface/
James Gallagher, Compuware Uniface sales for Asia Pacific also has a Uniface blog:
http://unifacejames.blogspot.co.uk/