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Old 24th June 2009, 08:52   #53
Join Date: Sep 2003
Posts: 27,873
it's due to the handling of the delta value passed in the wm_mousewheel message assuming a delta of 120 but some mice have a smaller delta (as is allowed on vista/win7) which breaks the previous logic. one of the devs was meant to be looking into changing the handling but that never happened i believe and without knowing what mice exhibit this finer level of scrolling (as i need a new mouse but can't get a definite answer) i'm not going to shell out for something that won't help.

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