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Article #12797Re: HowTo: Limiting window size
From: Martin Golm
Date: Tue, 18 Nov 2003 09:27
Date: Tue, 18 Nov 2003 09:27
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2055 bytes
"Ed Mulroy [TeamB]" wrote: > > Look at the help on the Windows message WM_GETMINMAXINFO You can enforce a > minimum size on the window by altering the data values in the structure > whose address is passed with that message. > > You can determine how much taller the window height is than the client > height during the WM_CREATE message by calling the GetWindowRect and > GetClientRect functions and subtracting and keeping the result around for > later use. Thanks Ed. However, calculating during WM_CREATE didn't work because there's no window handle I can use. (Or did I miss something?) Instead I used AdjustWindowRect to calculate the minimum window height (there's no menu assigned to the window, so multi-lined menus aren't an issue) during WM_GETMINMAXINFO. If the window height from WM_GETMINMAXINFO is smaller than my minimum window height, I set it accordingly. @Jonathan Arnold and Palle Meinert: I am aware of the MinHeight property and the existance of third-party components. But I create a WinAPI-only application, so VCL is no option. Thanks anyway. Martin
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10cc67,498b056766cdd000 X-Google-Attributes: gid10cc67,public X-Google-ArrivalTime: 2003-11-18 02:09:27 PST Message-ID: <3FB9E5FE.8824A78A@gmx.de> Date: Tue, 18 Nov 2003 10:27:26 +0100 From: Martin Golm <golm@gmx.de> X-Mailer: Mozilla 4.72 [en] (Win95; I) X-Accept-Language: en MIME-Version: 1.0 Newsgroups: borland.public.cppbuilder.nativeapi Subject: Re: HowTo: Limiting window size References: <3FB38C27.2C3183E5@gmx.de> <3fb395bf@newsgroups.borland.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit NNTP-Posting-Host: 62.156.29.253 X-Trace: newsgroups.borland.com 1069148884 62.156.29.253 (18 Nov 2003 01:48:04 -0700) Lines: 29 Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!uio.no!news.tele.dk!news.tele.dk!small.news.tele.dk!eusc.inter.net!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail