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quite.
never forget to use parenthesis everywhere within the macro definition...
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Try using this
<code>#define ABSOLUTE(a) (((a) > 0) ?(a) : -(a))</code>
Do more work
Make more mistakes
Learn more things
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What you have to understand about macro is that they are simply a 'text replacement': the precompiler will replace occurances of ABSOLUTE in your code by the macro definition, before the compilation. So, it means that ABSOLUTE(-1) will be replaced by:
(((-1) < 0) ? (-1) : (--1))
As you can see, the --1 is not valid. This doesn't happen for line 6 because it will be replaced by:
(((1) < 0) ? (1) : (-1))
which is valid.
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Cool, that's absolutely right!
Thank you for your explanations, and other guys also.
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I have been reading all day long on how to open external programs, i've been told several times to do this
#include ^stdlib.h^ or #include ^windows.h^
system("...");
when I try to do the #include, it fails on build, if I try the system only, it fails on build.
private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) {system("C:\\Program Files\\America's Army\\System\\Armyops.exe");}
That is what i am trying to do.
I've tried searching on here but I can't come up with the right word sets to to actually find it.
Note: ^ is the great then and less then signs that don't show up in text.
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Try here.
"Love people and use things, not love things and use people." - Unknown
"The brick walls are there for a reason...to stop the people who don't want it badly enough." - Randy Pausch
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Didn't help much, went all 14 pages, couldn't find nothing useful
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 David was saying that you have to post in that forum, not in the C++ forum (it seems you are doing managed C++).
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C# Beginner Nick wrote: ...went all 14 pages...
And posted what?
"Love people and use things, not love things and use people." - Unknown
"The brick walls are there for a reason...to stop the people who don't want it badly enough." - Randy Pausch
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Besides posting on the wrong board as mentioned...
You're using managed code so why not use the .NET framework
instead of old CRT functions?
Maybe something like Process::Start()[^]
Mark
Mark Salsbery
Microsoft MVP - Visual C++
![Java | [Coffee]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/coffee.gif)
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Hi,
I have a Module that mainly runs in the Background (i.e. Minimized). It's main function is to monitor the contents of a file somewhere on the network, and display some data relating to it. While the Module runs minimised, I have No Need to read the Data, because they cannot be displayed in the first place. When the module is restored, I need it to 'Waken Up', and kick the monitoring process into motion. How do I detect the Window State/StateChange from within my app. BTW My App is Dialog Based.
Regards 
Bram van Kampen
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Does the WM_SIZE notification give you the info you need?
Mark
Mark Salsbery
Microsoft MVP - Visual C++
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Bram van Kampen wrote: How do I detect the Window State...
Does IsIconic() or IsZoomed() help?
"Love people and use things, not love things and use people." - Unknown
"The brick walls are there for a reason...to stop the people who don't want it badly enough." - Randy Pausch
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Just the Ticket,
thanks David,
Bram van Kampen
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Hello,
I have tried to download the source code for the above mentioned with problems. The code in the article is quite hard to understand.
I have no idea how to implement it.
Does anybody have any source code knocking about?
Thanks V much
Simon
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I didn't find the article, but if you need to play sound using the winmm.lib library, the function you need is:
sndPlaySound(filename, SND_MEMORY|SND_ASYNC|SND_NODEFAULT);
rotter
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Do you want to play audio files?
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Hi,
Anyone any Idea how to Read and Set the system time on another computer on a private Network.
Regards, 
Bram van Kampen
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Hi all,
I am trying to write a simple program which would be able to give me a list of running processes.
I am using OpenProcess(PROCESS_ALL_ACCESS, false, pid); But I always get Access is denied - because it is a service.
Can you give me a hint how can I get service name when I know its PID? Is it possible?
Thanks.
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daavena wrote: But I always get Access is denied - because it is a service.
More likely because the account the service is running under.
What account does your service run in?
Do you really need PROCESS_ALL_ACCESS rights?
Mark Salsbery
Microsoft MVP - Visual C++
![Java | [Coffee]](https://www.codeproject.com/script/Forums/Images/coffee.gif)
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Hi,
"What account does your service run in?"
under System or Network service
"Do you really need PROCESS_ALL_ACCESS rights?"
I tried PROCESS_QUERY_INFORMATION but it didn't work so I tried PROCESS_ALL_ACCESS.
Thanks.
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Hello,
please have a look to Nibu Babu Thomas's Process Viewer[^]. I learned a lot from that article.
Best regards,
Mihai Moga
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Thank you all for replay,
This piece of code solves my problem.
HANDLE hToken;
LUID seDebug;
TOKEN_PRIVILEGES tkp;
OpenProcessToken( GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES |TOKEN_QUERY, &hToken );
LookupPrivilegeValue( NULL, SE_DEBUG_NAME, &seDebug );
tkp.PrivilegeCount = 1;
tkp.Privileges[0].Luid = seDebug;
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
AdjustTokenPrivileges( hToken, FALSE, &tkp, sizeof tkp, NULL, NULL );
CloseHandle( hToken );
I have to find out what it exactly does.
Thanks.
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Hi,
I am not and VS 2005 expert so I would welcome any help.
I have created a MFC project. It works ok. Now I need to add an SQL database support. Other type of database is also ok.
Can anyone help me?
Best regards and thanks in advance.
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