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clarify GetWheelRotation() (bug 969231)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42369 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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Vadim Zeitlin 2006-10-25 00:06:43 +00:00
parent c1073b57a7
commit 9aeb24a0f6
1 changed files with 5 additions and 6 deletions
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11
docs/latex/wx/mouseevt.tex
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@ -319,12 +319,11 @@ wheel action. Defaults to three.
\constfunc{int}{GetWheelRotation}{\void}
Get wheel rotation, positive or negative indicates direction of
rotation. Current devices all send an event when rotation is equal to
+/-WheelDelta, but this allows for finer resolution devices to be
created in the future. Because of this you shouldn't assume that one
event is equal to 1 line or whatever, but you should be able to either
do partial line scrolling or wait until +/-WheelDelta rotation values
have been accumulated before scrolling.
rotation. Current devices all send an event when rotation is at least
+/-WheelDelta, but finer resolution devices can be created in the future.
Because of this you shouldn't assume that one event is equal to 1 line, but you
should be able to either do partial line scrolling or wait until several
events accumulate before scrolling.
\membersection{wxMouseEvent::GetWheelDelta}\label{wxmouseeventgetwheeldelta}