Re: DPtoLP

Article View: borland.public.cppbuilder.nativeapi

Article #12099

Back to borland.public.cppbuilder.nativeapi Previous Next

#12099

From: Bob Gonder
Date: Sat, 27 Dec 2003 05:10

22 lines
1682 bytes

M. Finch wrote:
>
>        SetMapMode(hDC,MM_ANISOTROPIC);
>        SetWindowExtEx(hDC, xwin,ywin,NULL);
>        SetViewportExtEx(hDC,width,-height,NULL);
>
>        retval = DPtoLP(hDC, &pt, 1);
>        reterr = GetLastError();
>
>I find that I get an error in the retval and I retrieve the error using
>GetLastError() which is 87.  87 is Invalid Parameter as defined in System
>Error Codes on MSDN.

Just guessing since you don't show what x/ywin and widht/height are,
but I suspect that
>        SetViewportExtEx(hDC,width,-height,NULL);
is wrong.


 - - -
p.s. Sorry to have emailed this again, finally know what I did to do
that.

Technical Details

Message-ID: <vo4quvguurahqq592e42bl43189uo1ig8i@4ax.com>

Path:

arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!hermes.visi.com!zeus.visi.com!news-out.visi.com!petbe.visi.com!news.linkpendium.com!newsfeeds.ihug.co.nz!ihug.co.nz!newsgroups.borland.com!not-for-mail

References: <3fec8cda$1@newsgroups.borland.com>

Show Full Headers

Complete Article Headers

X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 10cc67,51ae0f0f4731a002
X-Google-Attributes: gid10cc67,public
X-Google-ArrivalTime: 2003-12-26 21:38:10 PST
From: Bob Gonder <notbg@notmindspring.invalid>
Newsgroups: borland.public.cppbuilder.nativeapi
Subject: Re: DPtoLP
Date: Fri, 26 Dec 2003 21:10:32 -0800
Organization: MindSpring Enterprises, Inc.
Reply-To: notbg@notmindspring.invalid
Message-ID: <vo4quvguurahqq592e42bl43189uo1ig8i@4ax.com>
References: <3fec8cda$1@newsgroups.borland.com>
X-Newsreader: Forte Agent 1.93/32.576 English (American)
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
NNTP-Posting-Host: 209.179.233.24
X-Trace: newsgroups.borland.com 1072501832 209.179.233.24 (26 Dec 2003 21:10:32 -0700)
Lines: 23
Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!hermes.visi.com!zeus.visi.com!news-out.visi.com!petbe.visi.com!news.linkpendium.com!newsfeeds.ihug.co.nz!ihug.co.nz!newsgroups.borland.com!not-for-mail

Reply to Parent Message