nullEvent

Header: Events.h

enum {
    nullEvent = 0,
    mouseDown = 1,
    mouseUp = 2,
    keyDown = 3,
    keyUp = 4,
    autoKey = 5,
    updateEvt = 6,
    diskEvt = 7,
    activateEvt = 8,
    osEvt = 15,
    kHighLevelEvent = 23
};

Constant descriptions

nullEvent: The event code indicating that there are no other pending events.
mouseDown: The event code indicating that the mouse button has been pressed.
mouseUp: The event code indicating that the mouse button has been released.
keyDown: The event code indicating that a key has been pressed.
keyUp: The event code indicating that a key has been released.
autoKey: The event code indicating that a key has been repeatedly held down.
updateEvt: The event code indicating that a window needs updating.
diskEvt: The event code indicating that a disk has been inserted.
activateEvt: The event code indicating that a window has been activated or deactivated.
osEvt: The event code indicating a suspend, resume, or mouse-moved operating-system event.
kHighLevelEvent: A high-level event.