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KEY(n%) ON
KEY(n%) OFF
KEY(n%) STOP
 
    ■ n%             An integer expression; the number of a function
                     key, a direction key, or a user-defined key.
    ■ KEY(n%) ON     Enables function key, direction key, or user-defined
                     key event trapping.
    ■ KEY(n%) OFF    Disables the event trap. Even if an event takes place,
                     it is not remembered.
    ■ KEY(n%) STOP   Suspends the event trap. If you press the specified
                     key, your action is remembered and trapped as soon as
                     a KEY ON statement is executed.
 
See Also    ◄KEY (Assignment)►    ◄ON KEY►