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TDualList Methods, TDualList Class
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TDualList.DoMouseWheel Method
TDualList Methods | TDualList Class
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Processes mouse wheel motion.

function DoMouseWheel(Shift: TShiftState; WheelDelta: Integer; MousePos: TPoint): Boolean; override;
Description

Overridden from TControl.DoMouseWheel. 

 

First dual list calls inherited TControl.DoMouseWheel procedure and then adjust TopItem property;

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