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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The devil is in the detail in this kind of stuff, and your
actual implementation can have a great effect.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>As implied, the best method will be to develop 2 or 3 different
methods, test and compare the results.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Myles.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> delphi-bounces@delphi.org.nz
[mailto:delphi-bounces@delphi.org.nz] <b>On Behalf Of </b>Conor Boyd<br>
<b>Sent:</b> Tuesday, 8 May 2007 10:19<br>
<b>To:</b> NZ Borland Developers Group - Delphi List<br>
<b>Subject:</b> RE: [DUG] Sending data between process on same computer on
windows<o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Sorry Leigh, I haven't done enough testing with big volume messages
to be able to answer that for you.</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>I was more interested in something that worked and was reliable.</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Cheers,</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Conor</span><o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> delphi-bounces@delphi.org.nz
[mailto:delphi-bounces@delphi.org.nz] <b>On Behalf Of </b>Leigh Wanstead<br>
</span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'> </span><span lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>May I ask which is faster, ipc or sendmessage?</span><span
lang=EN-US><o:p></o:p></span></p>
<blockquote style='margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>-----Original
Message-----<br>
<b>From:</b> delphi-bounces@delphi.org.nz [mailto:delphi-bounces@delphi.org.nz]<b>On
Behalf Of </b>Conor Boyd<br>
</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>I found the IPC functionality from madshi.net (</span><span
style='font-size:10.0pt'><a href="http://help.madshi.net/IPC.htm"><span
style='font-family:"Arial","sans-serif"'>http://help.madshi.net/IPC.htm</span></a></span><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'>) to work
very nicely.</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>I needed a way to send messages from a screensaver I was writing to
another process on the same box, and SendMessage didn't seem to work when a
screensaver was active (which I found strange, but anyway...), and the IPC
stuff from madshi works flawlessly.</span><o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> delphi-bounces@delphi.org.nz
[mailto:delphi-bounces@delphi.org.nz] <b>On Behalf Of </b>Leigh Wanstead<br>
</span><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'> </span><span lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif"'>May
I ask what is the fastest way to send data between process on same computer on
windows? I assume sendmessage api faster than semaphore waiting, of course faster
than TCP/IP which will go through huge amounts of tcp/ip stack. I just
want lowest overhead on per call. Anyone have any experiences on that?</span><span
lang=EN-US><o:p></o:p></span></p>
</blockquote>
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