CGEventNoErr
kCGEventFilterMaskPermitAllEvents
kCGEventFilterMaskPermitLocalKeyboardEvents
kCGEventFilterMaskPermitLocalMouseEvents
kCGEventFilterMaskPermitSystemDefinedEvents
kCGEventSuppressionStateRemoteMouseDrag
kCGEventSuppressionStateSuppressionInterval
kCGMouseDownEventMaskingDeadSwitchTimeout
kCGNumberOfEventSuppressionStates
kCGScreenUpdateOperationMove
kCGScreenUpdateOperationReducedDirtyRectangleCount
kCGScreenUpdateOperationRefresh