Re: Code short circuit

Article View: borland.public.cppbuilder.nativeapi

Article #4717

Back to borland.public.cppbuilder.nativeapi Previous Next

#4717

From: Bruce Salzman
Date: Wed, 07 Dec 2005 20:53

37 lines
2174 bytes

"Thomas Maeder [TeamB]" <maeder@glue.ch> wrote in message 
news:m2pso8u1sr.fsf@glue.ch...
>" Bruce Salzman" <bruce@nospam.org> writes:
>
>> void TMyMDIFrame::EvSysCommand(uint cmdtype, TPoint& p)
>> {
>>       // "Eat" these system commands to disable maximizing,
>>      // minimizing, and sizing functionality.
>>         uint cmd = cmdtype & 0xFFF0;
>>         switch (cmd)
>>         {
>>             case SC_MAXIMIZE:
>>             case SC_RESTORE:
>>             case SC_MINIMIZE:
>>             case SC_MOVE:
>>             case SC_SIZE:
>>                  return;
>>             default:
>>                  break;
>>         }
>>     TDecoratedMDIFrame::EvSysCommand(cmdtype, p);
>> }
>
> Still:
>
> How do you expect the function to behave and how does it 
> effectively.

I expected it to return on the SC_... messages without calling the 
inherited TDecoratedMDIFrame::EvSysCommand()
method. BCB6 doesn't generate any code for the "return" case and 
always calls the inherited method. I still can't see any reason for 
it.

-- 
Bruce

Technical Details

Message-ID: <43974bab$1@newsgroups.borland.com>

Path:

arc1-ca.pugleaf.net!g2news1.google.com!news4.google.com!border1.nntp.dca.giganews.com!border2.nntp.dca.giganews.com!nntp.giganews.com!meganewsservers.com!feeder2.on.meganewsservers.com!news-out.newsgroups.com!propagator2-sterling.newsfeeds.com!in.nntp.be!caladan.landsraad.net!newsgroups.borland.com!not-for-mail

References: <43961a6f@newsgroups.borland.com> <m28xuxuxcx.fsf@glue.ch> <4396f0a8@newsgroups.borland.com> <m2pso8u1sr.fsf@glue.ch>

Show Full Headers

Complete Article Headers

X-Google-Thread: 10cc67,c4f5899a764a1e0
X-Google-Attributes: gid10cc67,public
X-Google-Language: ENGLISH,ASCII-7-bit
From: " Bruce Salzman" <bruce@nospam.org>
Newsgroups: borland.public.cppbuilder.nativeapi
References: <43961a6f@newsgroups.borland.com> <m28xuxuxcx.fsf@glue.ch> <4396f0a8@newsgroups.borland.com> <m2pso8u1sr.fsf@glue.ch>
Subject: Re: Code short circuit
Date: Wed, 7 Dec 2005 14:53:58 -0600
Lines: 40
X-Priority: 3
X-MSMail-Priority: Normal
X-Newsreader: Microsoft Outlook Express 6.00.2900.2670
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2670
X-RFC2646: Format=Flowed; Original
NNTP-Posting-Host: 24.94.228.231
Message-ID: <43974bab$1@newsgroups.borland.com>
X-Trace: newsgroups.borland.com 1133988779 24.94.228.231 (7 Dec 2005 12:52:59 -0700)
Path: arc1-ca.pugleaf.net!g2news1.google.com!news4.google.com!border1.nntp.dca.giganews.com!border2.nntp.dca.giganews.com!nntp.giganews.com!meganewsservers.com!feeder2.on.meganewsservers.com!news-out.newsgroups.com!propagator2-sterling.newsfeeds.com!in.nntp.be!caladan.landsraad.net!newsgroups.borland.com!not-for-mail

Reply to Parent Message