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Memory Issues

Posted on 2002-07-17
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Last Modified: 2010-04-04
Hi People,

I've got an annoying problem.  I have an application.  When it first opens, it uses 5,316K of memory.  If I minimize it, the app uses a more respectable 752K.  If I restore it again, it uses 1,402K (which is still fine).

I minimize the application to the system tray at start up (it's an internet usage meter), but it still opens using 5,316K of memory.  This is WAY too much for such a small exe.

Can anyone tell me how I can reduce the memory foot print of this application?

Cheers!

Stu
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Question by:SJohnson
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Accepted Solution

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Madshi earned 400 total points
ID: 7159248
Call SetProcessWorkingSetSize(GetCurrentProcess, dword(-1), dword(-1)) during initialization of your application. This has the same effect as minimizing/restoring it.

Regards, Madshi.
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Author Comment

by:SJohnson
ID: 7159347
Hi Madshi,

I had to call it repeatedly before it would work.  Is that OK?

  SetProcessWorkingSetSize(GetCurrentProcess, dword(-1), dword(-1));
  Application.Initialize;
  SetProcessWorkingSetSize(GetCurrentProcess, dword(-1), dword(-1));
  SetProcessWorkingSetSize(GetCurrentProcess, dword(-1), dword(-1));
  Application.CreateForm(TMainForm, MainForm);
  SetProcessWorkingSetSize(GetCurrentProcess, dword(-1), dword(-1));
  Application.Run;

Cheers,

Stu
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LVL 20

Expert Comment

by:Madshi
ID: 7159367
I see no reason for that. What if you simply keep the last one (the one before Application.Run) and delete the others? That should basically have the same effect, I think.
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Author Comment

by:SJohnson
ID: 7159397
Nope, still the same.  I'll leave it as is.  That's fine Madshi.  Fantastic actually!

Stu
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LVL 20

Expert Comment

by:Madshi
ID: 7159477
Don't understand it, but doesn't matter...   :-)
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LVL 1

Author Comment

by:SJohnson
ID: 7159488
No, it's strange.  I'll take a proper look at it tomorrow when I get a little more time.  At this point in time, it's working well and that's what counts <G>

Thanks again, Mr Brain!

Stu
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