Re: Why CreateProcess() returns error? - C / C++ / MFC Discussion Boards

Re: Problem with CRgn

Nibu babu thomas24-May-06 1:13

Nibu babu thomas

24-May-06 1:13

WhiteSky wrote:
Where is question!?

Yeap that is the question. Roll eyes | :rolleyes:

Nibu thomas
A Developer

Programming tips[^] My site[^]

Re: Problem with CRgn

Hamid_RT24-May-06 1:20

Hamid_RT

24-May-06 1:20

yeah but ist not clear question Smile | :)

whitesky

Serial port Communication

Jeeva Mary Varghese23-May-06 20:56

Jeeva Mary Varghese

23-May-06 20:56

Hai
I am using serial port application.Is it possible for me to find the status of (high or low voltage etc)different pins (Tx) in a serial port.
Please give me a solution.
Jeeva

Re: Serial port Communication

Cedric Moonen23-May-06 21:40

Cedric Moonen

23-May-06 21:40

Take a look at GetCommModemStatus[^] function.

BTW, why do you want to retrieve the status of these lines ? Is there any particular reason for that ?
You know that you can automatically have hardware handshaking supported (so that you don't need to manage that yourself) ?

Cédric Moonen
Software developer

Charting control

Re: Serial port Communication

Jeeva Mary Varghese24-May-06 21:06

Jeeva Mary Varghese

24-May-06 21:06

Hai Cedric
Actually My problem is that,I am creating a programmer for implementing SPI Protocol using any three pins of serial port,I want to set as well as clear that pins( especially Txd pin).
Please help me...
Jeeva

Re: Serial port Communication

Cedric Moonen28-May-06 3:15

Cedric Moonen

28-May-06 3:15

I don't think this is a good solution to implement SPI protocol over the serial port. You'll need to have very strict timings and as windows is not a real-time operating system, you'll never be able to achieve those timings.

Cédric Moonen
Software developer

Charting control

Why CreateProcess() returns error?

ziashahid23-May-06 20:44

ziashahid

23-May-06 20:44

Hi all!
I am trying to run an EXE file, by calling CreateProcess() API and filled up the all requirements as below:

BOOL retvalue = CreateProcess(ExePath ,Params, NULL, NULL, FALSE, 0, NULL, tempStr, &StartupInfo, &ProcessInfo);

And getting exitcode of process as below:

GetExitCodeProcess(hProcess,&ExitCode);

It return 128 or sometimes 259.
And my EXE doesn't run.
On seraching in google i found some answers and set desktop heap in widows registry to 512. but all answers didn't help me.
Can anyone sort out the problem.

regards,
Zia

Re: Why CreateProcess() returns error?

Hamid_RT23-May-06 21:11

Hamid_RT

23-May-06 21:11

try this

<br />
PROCESS_INFORMATION ProcessInfo;<br />
STARTUPINFO StartupInfo;<br />
<br />
ZeroMemory(&StartupInfo, sizeof(STARTUPINFO));<br />
<br />
StartupInfo.cb = sizeof(STARTUPINFO);<br />
StartupInfo.dwFlags = STARTF_USESHOWWINDOW;<br />
StartupInfo.wShowWindow = SW_SHOWMAXIMIZED;<br />
<br />
CreateProcess(NULL, <br />
"Notepad.exe", <br />
NULL, <br />
NULL, <br />
FALSE,<br />
DETACHED_PROCESS,<br />
NULL,<br />
NULL,<br />
&StartupInfo,<br />
&ProcessInfo);<br />

whitesky

Convert Host name to IP address

Ayesha Farheen23-May-06 20:34

Ayesha Farheen

23-May-06 20:34

In a network , if I give a system name , how to get the IP address of that system. Is there any MFC class to find that?

Ayesha

Re: Convert Host name to IP address [modified]

Nibu babu thomas23-May-06 20:44

Nibu babu thomas

23-May-06 20:44

Look here[^]

In the example given you will see a line like

//get the IPAddress	
hstEnt = gethostbyname(szHostName);

Change szHostName to the name of the network machine.
You can modify the function allowing it to take the name of the machine as input.

Nibu thomas
A Developer

Programming tips[^] My site[^]

Re: Convert Host name to IP address

ThatsAlok23-May-06 21:15

ThatsAlok

23-May-06 21:15

Ayesha Farheen wrote:
if I give a system name , how to get the IP address of that system

Is gethostbyname is any use!

Ayesha Farheen wrote:
Is there any MFC class to find that?

there is not class associated with same

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

cheers,
Alok Gupta
VC Forum Q&A :- I/ IV

Simple Calculator with stack and postfix in C++

Mannouz23-May-06 20:29

Mannouz

23-May-06 20:29

Hi,
we just want to know the source code for a calculator that works with postfix.
For example
(3+4)*4/2
the postfix form of the expression above is: 34+4*2/
Then give us automatically with parsing the result Confused | :confused:

Thank a lot for your help Blush | :O

M.M

Re: Simple Calculator with stack and postfix in C++

ThatsAlok23-May-06 20:32

ThatsAlok

23-May-06 20:32

Mannouz wrote:
Then give us automatically with parsing the result

what about this ->Visual Calc[^]

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

cheers,
Alok Gupta
VC Forum Q&A :- I/ IV

Re: Simple Calculator with stack and postfix in C++

toxcct23-May-06 21:24

toxcct

23-May-06 21:24

ThatsAlok wrote:
what about this ->Visual Calc

What a great article !!! wow Roll eyes | :rolleyes:

seriously, VisualCalc doesn't calculate with such "postfix" notions. it gets plain text expression and evaluates the result depending on operators priorities, which doesn't happen in the notation requiered here Wink | ;)