On FKey
As of 4.20 On Fnkey was renamed to On FKey '
See also On Error
A few facts about ON FKEY.
- ON FKEY for each of 1-49 is set to ignore by default, as per System Defaults
- ON FKEY conditions are treated as error conditions and are checked for at the same time as Ctrl+A.
- If the system default for an FKEY (i.e. ignore) is overridden by a ON FKEY statement then when the FKEY interrupt is triggered, either by pressing the corresponding function key or some other method, then the specified ON action is performed.
- ON FKEY ## IGNORE can be specified to turn off special ON FKEY processing
1 can be triggered by the pressing that fkey.,