Increments the dimmer attribute on all the selected fixtures.
Namespace: Programmer.Editor.Fixtures
Void IncrementDimmer(Single, Double, Boolean)
http://[ip]:4430/titan/script/Programmer/Editor/Fixtures/IncrementDimmer
value: The value to increment the dimmer by.
timeDelta: The time difference from the last time the dimmer was incremented by the calling object.
shiftEnabled: Whether to accelerate the increment.