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Re: Scroll bar size not supports values bigger than 32767?

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Date: Tue, 6 Feb 2024 07:21:35 -0800 (PST)
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Subject: Re: Scroll bar size not supports values bigger than 32767?
From: greenchurch32@gmail.com (Colin Wray)
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by: Colin Wray - Tue, 6 Feb 2024 15:21 UTC

On Sunday 6 April 2003 at 03:21:59 UTC+1, Scott McPhillips wrote:
> Jean-Claude Garreau wrote:
> >
> > Yes, thats true. I had the same problem, and the only solution I found
> > was to...
> > redesign my view window!!!
> >
> > If you find another solution, I'm interested.
> >
> > Jean Claude
> >
> This gives you the full 32 bits of scroll bar range...
> void CGScrollView::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar*
> pScrollBar)
> {
> if(nSBCode == SB_THUMBTRACK || nSBCode == SB_THUMBPOSITION)
> {
> // User is dragging the scroll bar.
> // nPos is a legacy 16 bit coordinate.
> // Replace it with 32-bit position (ref: Q166473)
> SCROLLINFO si;
> si.cbSize = sizeof(SCROLLINFO);
> si.fMask = SIF_TRACKPOS;
> GetScrollInfo(SB_HORZ, &si);
> nPos = si.nTrackPos;
> }
> CScrollView::OnHScroll(nSBCode, nPos, pScrollBar);
> }
> --
> Scott McPhillips [VC++ MVP]

Worked like magic for me, although this page in Firefox appears to be failing to scroll to the bottom,
and MS Visual Studio 2022 Class Wizard doesn't work at all so had to use 2019.

"If value corrupts then absolute value corrupts absolutely."

devel / comp.os.ms-windows.programmer.win32 / Re: Scroll bar size not supports values bigger than 32767?

Subject	Author
Re: Scroll bar size not supports values bigger than 32767?	Colin Wray