Re: How to Manage the Mouse Wheel on a TImage ?

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#1407

From: Christophe MINETTI
Date: Fri, 17 Aug 2007 05:52

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Once again, you have the answer to any question ! Many thank Gambit !

Christophe

"Remy Lebeau (TeamB)" wrote:

> "Wookie" <fa067235@skynet.be> wrote in message
> news:46C4935B.BE142AC6@skynet.be...
>
> > What is the Windows Message sent when the OnMouseWheel Event occurs ?
>
> That depends on the OS version.  If the OS natively supports a mouse wheel,
> then a WM_MOUSEWHEEL message is issued.  On OS versions that don't natively
> support a mouse wheel, there is an add-on executable named MSWHEEL.EXE that
> can be installed which runs in the background and issues a message that is
> obtained via RegisterWindowMessage() instead.  You can use the global
> TMouse::RegWheelMessage property to know what specific message ID is being
> used in that situation.
>
> Gambit

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