wheelDelta property
[This documentation is preliminary and is subject to change.]
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
Build date: 6/12/2012
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