How do i change the font to a Word or Wordpad Doc. using API?

i've been trying to change the font on worpad, but i have a real hard time trying to do this, what i've done so far is setting the text on the font combobox, but after that i dont know what else to do... can you help???

There is an example on Planet Source Code, it's for messageboxes, but you could modify it:

http://www.planetsourcecode.com/xq/A...s/ShowCode.htm