Re: C++ Loop statment Or LoopFor - C / C++ / MFC Discussion Boards

Re: C++ Loop statment Or LoopFor

Cillieacc0rd5o429-Jun-05 2:32

Cillieacc0rd5o4

29-Jun-05 2:32

Ahhhh yeah i think,....
What is this statement called in C++ For Loop ?

Re: C++ Loop statment Or LoopFor

Ravi Bhavnani29-Jun-05 2:41

Ravi Bhavnani

29-Jun-05 2:41

Yes.

/ravi

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Re: C++ Loop statment Or LoopFor

Cillieacc0rd5o429-Jun-05 2:42

Cillieacc0rd5o4

29-Jun-05 2:42

Can it be used like this.

EXP_USHORT Reset_All_Relais(void)
{
for (int nRelay=1; (nRelay <= 25); nRelay++)
{
return ScoUniSetRelay (nRelay, 0);

}
}

And what does my compiler means specificly with:
arning C4715: 'Reset_All_Relais' : not all control paths return a value
Linking...

Re: C++ Loop statment Or LoopFor

Maximilien29-Jun-05 2:45

Maximilien

29-Jun-05 2:45

no, what should the function Reset_All_Relais returns ?

now, the first time the function ScoUniSetRelay is called it will return the Reset_All_Relais function.

remove the return in the loop and place it at the end.

Maximilien Lincourt
Your Head A Splode - Strong Bad

Re: C++ Loop statment Or LoopFor

Cillieacc0rd5o429-Jun-05 2:58

Cillieacc0rd5o4

29-Jun-05 2:58

its suppose to give this back

return ScoUniSetRelay(relay,0);// for each relay the next
return ScoUniSetRelay(relay,0);// Number untill 25 including 25
return ScoUniSetRelay(relay,0);//
return ScoUniSetRelay(relay,0);
return ScoUniSetRelay(relay,0);
return ScoUniSetRelay(relay,0);

thats y i wanted return not at the end

PS: Suppose to give all tha back for the robo to set all the Relay back to off. ScoUniSetRelay(relay,0) 0=off relay for which one.

Re: C++ Loop statment Or LoopFor

Maximilien29-Jun-05 3:08

Maximilien

29-Jun-05 3:08

if you do that it will return on the first one, and never do the other ones.

Maximilien Lincourt
Your Head A Splode - Strong Bad

Re: C++ Loop statment Or LoopFor

Cillieacc0rd5o429-Jun-05 3:14

Cillieacc0rd5o4

29-Jun-05 3:14

EXP_USHORT Reset_All_Relais(void)
{
for ( int relay = 0 ; relay <= 25; relay ++ )

ScoUniSetRelay(relay, 0);
}

return

}

Something like this ?
B\c that is not working for me never used Loop n that stuff before so something is missing i think. ; gives me another error

EDIT !!!!!

PS: I dont need any return crap I can make the proto type run with out Return to check if it was or not just need to to make that damn thing do her stuff.

THANKS ALOT !!!!

Re: C++ Loop statment Or LoopFor

toxcct29-Jun-05 5:32

toxcct

29-Jun-05 5:32

i think you'd better take a piece of time to learn about at least C, or C++ if needed, because you really lacks in every basic knowledges on the language...

TOXCCT >>> GEII power
[toxcct][VisualCalc]

Re: C++ Loop statment Or LoopFor

Cillieacc0rd5o429-Jun-05 19:32

Cillieacc0rd5o4

29-Jun-05 19:32

I wont argue with you but i do LOL.
I was assigned to this knowing be able to write it in java. But all the application adn control programs can only understand C++ or Pascal and some otehr machine language.
Truthfully i think i am getting the hang onf it though after the explaination of loop for.

=) !!!

My 8 page program is done and later ima go test it.
Worst thing that can happen the Robo pokes everything to oblivion hahah !!!!

Thanks guys

Re: C++ Loop statment Or LoopFor

Ravi Bhavnani29-Jun-05 4:45

Ravi Bhavnani

29-Jun-05 4:45

Please don't misunderstand me when I say this, but you should have a firm grasp of the basic C/C++ control structures and the return statement before embarking on your project.

This is what you need to do:

void Reset_All_Relays()
{
  for (int nRelay=1; (nRelay <= 25); nRelay++) {
      ScoUniSetRelay (nRelay, 0);
  }
}

If ScoUniSetRelay() returns a status, you need to decide how Reset_All_Relays() should behave if it encounters an error - i.e. should it interrupt the loop, ignore the error, continue with the loop but return the failure notification to the caller, something else...?

/ravi

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Re: C++ Loop statment Or LoopFor

Cillieacc0rd5o429-Jun-05 19:35

Cillieacc0rd5o4

29-Jun-05 19:35

Yeah Took me awhile to get the grasps for what those things are. USHORT needs return value Void not etc etc Long and so =)

Now i can dig in C++ Not so much diff than java basics are same. just diff looks confused the hell outta me !!!
beside writing 8 page code and this is like 1 and half week on C++ for first time aint that bad huh ??? Maybe i am slow.

Re: C++ Loop statment Or LoopFor

Maximilien29-Jun-05 2:43

Maximilien

29-Jun-05 2:43

msnd works ... I searched this : http://search.microsoft.com/search/results.aspx?view=msdn&st=b&na=82&qu=for+loop+c%2B%2B&s=1[^]

how are the relays accessed ? is relay 1 the first one ? or relay 0 ?

for ( int relais = 0; relais  < 25; relais ++ )
{
  ScoUniSetRelay(relais  ,fl_set);
}

for ( int relais  = 1 ; relais  <= 25; relais ++ )
{
  ScoUniSetRelay(relais  ,fl_set);
}

Maximilien Lincourt
Your Head A Splode - Strong Bad

Re: C++ Loop statment Or LoopFor

Cillieacc0rd5o429-Jun-05 3:09

Cillieacc0rd5o4

29-Jun-05 3:09

its suppose to give this back

return ScoUniSetRelay(relay,0);// for each relay the next
return ScoUniSetRelay(relay,0);// Number untill 25 including 25
return ScoUniSetRelay(relay,0);//
return ScoUniSetRelay(relay,0);
return ScoUniSetRelay(relay,0);
return ScoUniSetRelay(relay,0);

thats y i wanted return in it the Machine responses to those commands.
if it gives out ScoUniSetRelay(15,0) relay 15 will turn off. i jsut wanted a collective command to turn all 0-25 off including 0

PS: Suppose to give all tha back for the robo to set all the Relay back to off. ScoUniSetRelay(relay,0) 0=off relay for which one.

I used CD MSDN

Re: C++ Loop statment Or LoopFor

toxcct29-Jun-05 5:35

toxcct

29-Jun-05 5:35

Maximilien wrote:
msnd works ... I searched this : http://search.microsoft.com/search/results.aspx?view=msdn&st=b&na=82&qu=for+loop+c%2B%2B&s=1[^]

Laugh | :laugh:

TOXCCT >>> GEII power
[toxcct][VisualCalc]

Get exe File version, icon etc programmatically

munawar196829-Jun-05 2:04

munawar1968

29-Jun-05 2:04

Hi folks..

Is there a way to read an exe file's version info, icon etc programatically
using C/C++ ?
e.g How do we read notepad.exe's version info via C/C++ calls?
thanks in advance..

Re: Get exe File version, icon etc programmatically

ThatsAlok29-Jun-05 2:11

ThatsAlok

29-Jun-05 2:11

munawar1968 wrote:
exe file's version info
GetFileVersionInfo

munawar1968 wrote:
icon

ExtractIcon

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta

Re: Get exe File version, icon etc programmatically

munawar196829-Jun-05 2:18

munawar1968

29-Jun-05 2:18

Thanks man..
can this info (gathered via getfileversion,extracticon) be used to set the
version /icon of another exe file programmatically?

Re: Get exe File version, icon etc programmatically

ThatsAlok29-Jun-05 2:23

ThatsAlok

29-Jun-05 2:23

munawar1968 wrote:
another exe file programmatically?

Nope, you have to use these api for Programmatically changing resource in other file :-
BeginUpdateResource,UpdateResource and EndUpdateResource.

And Here is article relating to above Api's
http://www.codeproject.com/cpp/UpdateResource.asp[^]

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta

Re: Get exe File version, icon etc programmatically

munawar196829-Jun-05 2:27

munawar1968

29-Jun-05 2:27

Exactly what i wanted...
thanks a million

Convert path with spaces

retro_coder29-Jun-05 0:36

retro_coder

29-Jun-05 0:36

Hi,

There has to be a library function that does this? I need to convert a path from say:
C:¥Program Files¥Mozilla Firefox¥firefox.exe
to
C:¥¥"Program Files"¥¥"Mozilla Firefox"¥¥firefox.exe

The reason is I need to pass the full path name to _spawnl

I wrote a simple function to do this, but is there a library function that already does this?

Thanks in advance.

Re: Convert path with spaces

toxcct29-Jun-05 1:08

toxcct

29-Jun-05 1:08

tsss,

no need to do this D'Oh! | :doh:

the strings using doubles \\ are because when you code, the single \ is used as the escape characters.

but if you get the path from say an edit box, the \ (written alone) are in the same format.

in brief, you need double back-slashes only in design/coding time...

TOXCCT >>> GEII power
[toxcct][VisualCalc]

Re: Convert path with spaces

retro_coder29-Jun-05 1:18

retro_coder

29-Jun-05 1:18

You know, it's really weird, but with _spawnl I had to do this for it to work otherwise I got all these weird errors.

Anyway, I have just found the wonderful function CreateProcess().

Thanks!

Re: Convert path with spaces

toxcct29-Jun-05 1:22

toxcct

29-Jun-05 1:22

but where did the string you were passing to _spawnl() come from ?

your source code ? or was it an entry the user passed to the program ?

anyway, you can use - for example - this functions :

CString strPath;
 
<font color=green>//strPath been filled here, with single back-slashes...</font>
 
strPath.Replace(<font color=gray>"\\"</font>, <font color=gray>"\\\\"</font>);    <font color=green>// Replaces every \ with \\</font>

TOXCCT >>> GEII power
[toxcct][VisualCalc]

Re: Convert path with spaces

C^hris L^osinger29-Jun-05 3:26

C^hris L^osinger

29-Jun-05 3:26

have you tried putting the entire path inside double quotes ?

csPath = "\"C:\\what ever\\file.exe\"";

just a thought.. don't know if it'll work or not

Cleek | Image Toolkits | Thumbnail maker

Re: Convert path with spaces

retro_coder29-Jun-05 18:43

retro_coder

29-Jun-05 18:43

Thanks for the answers everyone. I moved to using CreateProcess() which just accepts a path like:
CString path = _T("\"c:\\path with spaces\\file.exe\"");

with _spawnl() I had to put quotes around every path element with spaces in it like so:
CString path = _T("c:\\\"path with spaces\"\\file.exe");

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