how to use F1-F12 keys in Lazarus lazarus / 8-Other ---------------------------------------------------------------------- guest · 2006-03-18 22:20 Hello all, I'm trying to use F1-F12  keys in my program, but i didn't find how to? can any one help me. Thank you in advance. ---------------------------------------------------------------------- felipemdc · 2006-03-18 22:45 You need to write a event handler for OnKeyDown event of the main form. You can see how a OnKeyDown event handler looks like on this code: http://cvs.sourceforge.net/viewcvs.py/magnifier/magnifierv3/app.pas?re v=1.14&view=auto Look for the procedure HandleKeyDown