Ctrl+0 sends 48 to the KeyPress event. I'm not sure if that's used for something else, though. You could also try using ON KEY LABEL CTRL+0 *

>Help! My users are complaining that when entering data into a textbox, grid or browse window, the combination of ctrl+0 inserts a .null.
>
>I looked into trapping the keystroke in the keypress event but there is no code for the ctrl+0 key.
>
>Any help would be appreciated. I am using VFP5.0