Since we already have menu mouse definitions for sclick, dclick, rclick, move, leave, etc it seems only fitting we'd have one for mouse wheel, as such:
Code:
Menu @Win {
  ;$1 = deltas moved
  .WheelUp: MouseWheelup $1
  .WheelDown: MouseWheelDown $1
  .WheelLeft: MouseWheelLeft $1
  .WheelRight: MouseWheelRight $1
}
I know the wheel can be tracked via dlls, but to me atleast, it seems this should already be integrated into mIRC's script engine

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