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<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=125324901-08052007>You can still however share memory between a service
and desktop app if you create global shared memory. If you have the service
create the memory then you dont have to worry about the desktop app running at
admin level. </SPAN></FONT></DIV>
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size=2></FONT> </DIV><FONT face=Arial color=#0000ff size=2></FONT><BR>
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<FONT face=Tahoma size=2><B>From:</B> delphi-bounces@delphi.org.nz
[mailto:delphi-bounces@delphi.org.nz] <B>On Behalf Of </B>Myles
Penlington<BR><B>Sent:</B> Tuesday, 8 May 2007 11:30 a.m.<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<BR></FONT><BR></DIV>
<DIV></DIV>
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<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">The
reason behind the second one is security – which is even tighter on Vista. You
can no longer do a SendMessage to a process running at a higher security
level, and for that matter from a interactive program to a service – all due
to security restrictions that have been added in recent years by M$ to stop
viruses etc. E.g In Vista you can no longer allow a service to interact with
the desktop.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"> <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Things
need to be running on the same window station (which is the root of all
security in windows). If you have processes running on different window
stations (which applies to services etc), then you will have security
issues.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Myles.<o:p></o:p></SPAN></P></DIV><FONT
face=Verdana size=1></BLOCKQUOTE></FONT></BODY></HTML>