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As others have said, you need a thread per processor to get better performance...
If you play around with the cpustress.exe utility you can see it very clearly 
You can find cpustress in the platform sdk's bin folder
- Anders
Money talks, but all mine ever says is "Goodbye!"
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Windows balances threads, not processes. A single process, with multiple threads, will be balanced by the O/S. Of course, like any multithreaded application, you have to make sure that thread arbitration doesn't bog things down.
Gary R. Wheeler
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In my application, I have lots of top level windows. The only styles I set are WS_EX_TOOLWINDOW (extended style) and WS_POPUP (normal style). That makes border-less windows that do not add a button on the task bar.
I have a registered a hotkey to show all the windows from anywhere. It works perfectly.
What I am trying to do now is find a way to send those windows to the bottom of the Z order, behind all other windows and the give the focus to the window that had the focus before the windows where shown.
SetWindowPos with HWND_BOTTOM (and SWP_NOSIZE | SWP_NOMOVE) should do that trick, but it doesn't. The function is called and returns a success, but the windows stay in from. I tried not setting the WS_EX_TOOLWINDOW style but it doesn't change anything.
I have looked for HWND_BOTTOM (and MFC's wndBottom) in the message board, on CodeGuru's message board and on Google. I saw someone with the same problem, but there was no reply. It was either a copy-paste of the doc with the message related to HWND_TOP, or the doc itself.
----------------
Blaster
Computer game programmer and part time human being
http://www.blastersoft.com
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Try setting the desktop as the parent of your top level windows (no success guaranteed  ).
Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo
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Yeah, I know about GetDesktopWindow but I always thought it was the same as specifying null as the parent.
By the way, no luck, it didn't work.
----------------
Blaster
Computer game programmer and part time human being
http://www.blastersoft.com
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(Another crazy idea) Have an invisible dummy window as the parent of the popups and do the SetWindowPos on this.
Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo
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Yeah, that's a good idea. But it still doesn't explain why it doesn't work right now.
----------------
Blaster
Computer game programmer and part time human being
http://www.blastersoft.com
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When it comes to Windows programming, often one has to settle for workarounds instead of explanations
Joaquín M López Muñoz
Telefónica, Investigación y Desarrollo
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 I have a problem using CRecordSet and CDatabase in W2000 with a restricted-permission user. CDatabase::Open return with the error: "Cannot read the registry key SOFTWARE\ODBC\ODBC.INI\ ", but with regedit this key is visible. Where is the problem?
Someone can help me?
thanks
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Greetings all (first post on CodeProject),
Have a fairly simple Dialog based application (modal) which
calls another class (Worker) to perform a list of tasks. Dialog box
class has a simple method for setting the window text of a
CStatic, all works fine (window text is updated correctly
by Worker class until Worker class makes a ShellExecuteEx call
to run another exe. Upon return from the ShellExecuteEx call
the CStatic window text can't be updated, the calls are there
to change the text, it just doesn't work, I've tried a few combinations
of SetForeGroundWindow(), ShowWindow (SW_HIDE/SW_SHOW), Invalidate()
and so on... all to no avail.
Read around various sites and forums with no real success.
Code snipper follows:
if (ShellExecuteEx(&stShellInfo)) {<br />
<br />
int nResult = (int)stShellInfo.hInstApp;<br />
if (nResult >= 32) {<br />
theApp.SetSubProgressMessage("SHELLINFO hInstApp = process successful");<br />
}<br />
else {<br />
theApp.SetSubProgressMessage("Process failed");<br />
}<br />
<br />
WaitForSingleObject(stShellInfo.hProcess, INFINITE);<br />
<br />
CloseHandle(stShellInfo.hProcess);<br />
<br />
CWnd *pWndPrev, *pWndChild;<br />
if (pWndPrev = CWnd::FindWindow(NULL, _T("Progress"))) {<br />
pWndChild = pWndPrev->GetLastActivePopup();<br />
if (pWndPrev->IsIconic()) {<br />
pWndPrev->ShowWindow(SW_RESTORE);<br />
}<br />
<br />
<br />
pWndChild->ShowWindow(SW_HIDE);<br />
pWndChild->ShowWindow(SW_SHOW);<br />
}<br />
...
No message after the "process successful" message are displayed.
Any suggestion/help/info would be greatly appreciated.
BTW, it's probably obvious that I'm new to MFC.
MTIA.
Chris 
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Your application sleeps in WaitForSingleObject call until the child process finishes. You need to handle application message queue using PeekMessage. Search in MSDN Library for Q74795 KB article "Using PeekMessage() Loops in a Dialog Box" for details.
Pavel
Sonork 100.15206
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Thanks for the help Pavel, much appreciated.
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Read up on the article you posted, also read about the
TranslateMessage and DispatchMessage functions but still
unclear as to where and how I would implement the
PeekMessage calls.
Once again, many thanks for the help.
Chris
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Use the WaitForSingleObject call in a loop with timeout set to reasonable short time (100 ms?) and when it doesn't return WAIT_TIMEOUT, break from the loop. If it does, pump the messages using PeekMessage and continue looping.
Pavel
Sonork 100.15206
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Hi to All
I want to ask u that how can i make a round shape window or elliptical shape window using MFC.Please explain with some Code
Thanks
Inam
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In your OnCreate handler create a round region then call SetWindowRgn to change the shape of the window like this.
RECT rWindow;
GetWindowRect(&rWindow);
HRGN hRgn = :: Create EllipticRgnIndirect(&rWindow);
::SetWindowRgn(hRgn, TRUE);
You do not need to delete the region that is selected into the SetWindowRgn because windows takes ownership of that region. You should not use that region at all after you call that function.
Build a man a fire, and he will be warm for a day
Light a man on fire, and he will be warm for the rest of his life!
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Hi!
Can windows GDI command be used in the Visual C++?
I'm trying to do some coordinate transformation and mapping in the CView. Can I use windows GDI command such as SetWorldTransformation. It seems like using XForm method were much easier for coordinate transformation. Even if I can use GDI command in my visual C++ project how do I suppose to do it? I've tried the example in MSDN but it didn't work
Newbies
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Zayax wrote:
Can windows GDI command be used in the Visual C++?
In Visual C++ for sure. If you mean in MFC then again, yes. MFC uses CDC class in drawing - it's a thin encapsulation of GDI display context.
Pavel
Sonork 100.15206
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Yes you can, however the wrold translform functions are only supported on the Windows NT operating systems. So your program will not be able to be used on Windows 95, 98 and ME.
Build a man a fire, and he will be warm for a day
Light a man on fire, and he will be warm for the rest of his life!
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Is there any MFC way to do the coordinate transformation?
Newbies
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I do not think that there is. THe reason why is because it would not be supported on Windows 9x.
Build a man a fire, and he will be warm for a day
Light a man on fire, and he will be warm for the rest of his life!
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Then how come there was some software that could do that kind of coordinate transformation and still could be use in win 9x?
Newbies
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The transformations were probably written by hand and did not depend on the Windows API.
Build a man a fire, and he will be warm for a day
Light a man on fire, and he will be warm for the rest of his life!
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This message continuously scrolls while my project is running and I can't seem to figure out why.
Anyone seen this before?
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You should revise tab order and group styles of buttons in your dialog resource. Radio buttons in one group should be in tab order directly in sequence, first of them should have the Group style set, and the first control behind should have the group style set too.
Pavel
Sonork 100.15206
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