wheelDelta property

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Retrieves the distance and direction the wheel button has rolled.

Syntax

HRESULT value = object.get_wheelDelta(* p);

Property values

Type: long

the distance and direction that the wheel button has rolled.

Remarks

This property indicates the distance that the wheel has rotated, expressed in multiples of 120. A positive value indicates that the wheel has rotated away from the user. A negative value indicates that the wheel has rotated toward the user.

IHTMLEventObj4::wheelDelta was introduced in Microsoft Internet Explorer 6