Re: RegEnumValue : Not able to retreive registry value for Date format.. - C / C++ / MFC Discussion Boards

RegEnumValue : Not able to retreive registry value for Date format..

Supriya Tonape29-Aug-08 23:56

29-Aug-08 23:56

Hi,
Can anybody tell me why am I not getting Value's data in below code, in buffer 'pszRegValData' ? The surprising thing is that I am able to receive other value's data in it which has REG_SZ datatype... but the value for which it's not giving any output has REG_SZ as a datatype too.. data for it is "04/26/2007 10:20:01".. It's not giving me data in buffer(pszRegValData) for REG_BINARY too...

retCode = RegEnumValue(hkScanKey, i,
szRegValueName,
&dwRegValNameLen,
NULL,
&dwRegValType,
(LPBYTE)pszRegValData,
&dwRegValLen);

Thanks in advance.

regards,
Supriya Tonape

Re: RegEnumValue : Not able to retreive registry value for Date format..

Supriya Tonape30-Aug-08 0:04

Supriya Tonape

30-Aug-08 0:04

also the error code I get is '234' though I am making sure that buffer has enough size to hold the returned data...

Re: RegEnumValue : Not able to retreive registry value for Date format..

David Crow30-Aug-08 4:24

David Crow

30-Aug-08 4:24

Supriya Tonape wrote:
also the error code I get is '234'...

Which is not an error, but means that more data is available.

"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

Re: RegEnumValue : Not able to retreive registry value for Date format..

Supriya Tonape31-Aug-08 21:48

Supriya Tonape

31-Aug-08 21:48

thanks for the reply. But I am already making sure that buffer size is enough to store the data...by API 'RegQueryInfoKey()' I am getting max length of value's data.. I am executing it before 'RegEnumValue()' and allocating the buffer for value (length returned by 'RegQueryInfoKey' + 1)... still why 234 error ? Frown | :(

Re: RegEnumValue : Not able to retreive registry value for Date format..

David Crow1-Sep-08 3:58

David Crow

1-Sep-08 3:58

Supriya Tonape wrote:
...still why 234 error ?

It's not an error, but means that more data is available.

"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

Re: RegEnumValue : Not able to retreive registry value for Date format..

Supriya Tonape1-Sep-08 4:00

Supriya Tonape

1-Sep-08 4:00

I just traced my code and found that for every character it's taking 2 bytes.. and I am allocatiing buffer as per length returned by 'RegQueryInfoKey' which returned length of longest value data... for example actual date string/data(REG_SZ) length is 20 but when 'RegEnumValue' gets the date string/data, the length returned is 40(in last param of 'RegEnumValue').... So I doubled my buffer's size but still it gives me same problem... any suggestions ? I am running my 'console' appln on 32 bit intel proc with 32-bit XP OS on it...

Re: RegEnumValue : Not able to retreive registry value for Date format..

Supriya Tonape1-Sep-08 4:13

Supriya Tonape

1-Sep-08 4:13

awaiting for reply..

Re: RegEnumValue : Not able to retreive registry value for Date format..

Supriya Tonape1-Sep-08 4:42

Supriya Tonape

1-Sep-08 4:42

I resolved the prob, after each call we need to set the data buffer size back to max value length... sadly this is not quoted in MSDN! it's hard to understand whats going on wrong in code when MSDN says everytime 'RegEnumValue' iterates thru reg values,it returns the data length... I wasted my night for this silly problem...

Re: RegEnumValue : Not able to retreive registry value for Date format..

smags1321-Sep-09 7:12

smags13

21-Sep-09 7:12

...
I will try that. But I have alread wasted a whole weekend until I see your post
...

Copy one file to temp file

manju#12329-Aug-08 23:42

manju#123

29-Aug-08 23:42

Hi all..
I have one file and i want to move it to the temporary path....
can anyone help me..

manju

Hi..
I am Mnaju.I have Completed my B.E Computers Science.Lokking for a job.I am interested in VC++
manju

Re: Copy one file to temp file

David Crow30-Aug-08 4:26

David Crow

30-Aug-08 4:26

manju#123 wrote:
can anyone help me..

With moving the file or figuring out what your temporary folder is?

"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

Re: Copy one file to temp file

Perspx31-Aug-08 13:22

Perspx

31-Aug-08 13:22

Use the GetTempPath() function to retrieve the path of the temporary files directory - see the documentation here.

Then to copy the file use the CopyFile() or CopyFileEx() function to copy the file to the temporary directory.

Regards,
--Perspx

"The Blue Screen of Death, also known as The Blue Screen of Doom, the "Blue Screen of Fun", "Phatul Exception: The WRECKening" and "Windows Vista", is a multi award-winning game first developed in 1995 by Microsoft" - Uncyclopedia

Introduction to Object-Oriented JavaScript

Converting a Text into an Integer

Rane29-Aug-08 20:45

Rane

29-Aug-08 20:45

Hi,

I'm in need of a conversion routine to convert a string into a integer(long). I'm relying on CRT function _tcstol to do this. Below shown is my approach:

main()
{
_TCHAR *q = 0;
char txt[] = "5x";
long l = _tcstol(txt, &q, 10);
if (q && _tcsclen(q))
{
cout<<"Invalid Integer";
}
}

I'm relying on parameter2 in _tcstol to validate a integer. (i.e)the endptr Pointer to character that stops scan.

Will this approach work fine in all cases?

Thanks in Advance

Rose | [Rose]

Rane

Re: Converting a Text into an Integer

Ștefan-Mihai MOGA29-Aug-08 21:49

Ștefan-Mihai MOGA

29-Aug-08 21:49

Hello,

yes, I would do the same as you did for converting a string to an integer. By the way, have you looked at this thread[^]?

Best regards,
Mihai Moga

Screen Resolution stting takes effect on application !

Le@rner29-Aug-08 20:37

Le@rner

29-Aug-08 20:37

Hi all,

i m using SDI type application.

If i m change Screen resolution thru display properties of computer than it takes effect on my application.

the all forms and control size are varies.

so please tell me how can i adjust size of all forms,dialog or controls even if i change screen resolution.

thanks in advance.

IN A DAY, WHEN YOU DON'T COME ACROSS ANY PROBLEMS - YOU CAN BE SURE THAT YOU ARE TRAVELLING IN A WRONG PATH

Re: Screen Resolution stting takes effect on application !

Ștefan-Mihai MOGA29-Aug-08 21:45

Ștefan-Mihai MOGA

29-Aug-08 21:45

Hello,

I do not know if there is an easy way to solve your problem. I think you need to call CWnd::SetFont[^] method for all your dialogs.

Best regards,
Mihai Moga

Re: Screen Resolution stting takes effect on application !

Le@rner29-Aug-08 22:17

Le@rner

29-Aug-08 22:17

Please explain me with example how can i do this .

IN A DAY, WHEN YOU DON'T COME ACROSS ANY PROBLEMS - YOU CAN BE SURE THAT YOU ARE TRAVELLING IN A WRONG PATH

Re: Screen Resolution stting takes effect on application !

Hamid_RT30-Aug-08 6:04

Hamid_RT

30-Aug-08 6:04

You can make your font with CreateFont and then use of SetFont for your controls.

Re: Screen Resolution stting takes effect on application !

Le@rner31-Aug-08 18:24

Le@rner

31-Aug-08 18:24

i m try this but its take no effect.

presently i m using 1024by768 pixels screen resolution.
if i change this resolution to 800by600 pixels than all windows are looks bigger .

so i want if i change the resolution the application dilogs and controls are itself resize.

so please help me for this.

IN A DAY, WHEN YOU DON'T COME ACROSS ANY PROBLEMS - YOU CAN BE SURE THAT YOU ARE TRAVELLING IN A WRONG PATH

problems using STL list class

Sauce!29-Aug-08 19:38

Sauce!

29-Aug-08 19:38

Okay so I need to use the linked list class provided in the standard template library but when I do I get the error message "fatal error C1083: Cannot open include file: 'iostream.h': No such file or directory.

C:\Program Files (x86)\STL\include\stl_algobase.h Line 57"

For some reason this file wasn't provided with my copy of Visual Studio 2008 (Express Edition) I did however get the file "iostream" distributed with visual studio but renaming this is futile as the two files are fundamentally different.

What to do? Frown | :(

Re: problems using STL list class

Michael Dunn29-Aug-08 21:18

Michael Dunn

29-Aug-08 21:18

The headers whose names end in .h are from the (very very) old standard library. In fact, it sounds like 2008 doesn't even ship them anymore. Use the files without an extension.

--Mike--
Visual C++ MVP Cool | :cool:

LINKS~! CP SearchBar v3.0 | C++ Forum FAQ

I work for Keyser Söze

Re: problems using STL list class

Sauce!29-Aug-08 21:28

Sauce!

29-Aug-08 21:28

the problem is that the file is #included in stl_algobase.h. I can manually change it but it breaks the STL. Am I missing something here? Am I meant to be using a list class that is already included with visual studio or is the STL list the one I should be using?

Re: problems using STL list class

Kevin McFarlane30-Aug-08 3:33

Kevin McFarlane

30-Aug-08 3:33

Sounds like a bug in the Express edition. Are you running SP1?

If you don't get an answer here you could try posting on the MSDN forums. I can't believe something this basic doesn't have a fix.

Kevin

Re: problems using STL list class

Sauce!30-Aug-08 4:50

Sauce!

30-Aug-08 4:50

I don't recall downloading a service pack for visual studio but according to the "About" entry in the help menu I am running version 9.0.21022.8 RTM.

I managed to locate the standard template library in my visual studio folder (Previously I was just looking in the microsoft windows sdk folder) so I deleted the copy of STL that I downloaded and made sure it was using the default one provided with my compiler. This seems to have fixed that problem but now when I compile I get the following error message

Error	1	fatal error C1189: #error :  STL/CLR can be used only in code compiled /clr, clr:pure, or /clr:safe	C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\include\cliext\xutility	6

I have tried all three command line parameters but with each one I get one of the errors;

Error	1	Command line error D8016 : '/EHs' and '/clr' command-line options are incompatible	cl<br />

Error	1	Command line error D8016 : '/EHs' and '/clr:pure' command-line options are incompatible	cl<br />

Error	1	Command line error D8016 : '/EHs' and '/clr:safe' command-line options are incompatible	cl<br />

/EHs appears to be embedded into the win32 build options and there seems to be no way for me to remove it (and I also have no clue what it is!)

Re: problems using STL list class

Mark Salsbery30-Aug-08 7:20

Mark Salsbery

30-Aug-08 7:20

Are you really trying to do a C++/CLI (managed) app or a native app?

For C++/CLI, you should be using /EHa
If you're using the IDE, it should be at
project settings/Configuration Properties/C++/Code Generation/Enable C++ Exceptions

For STL:
According to the Standard C++ Library Overview[^], <list>
may be the header file you want.

For STL/CLR:
STL/CLR Library Reference[^]

Mark Salsbery
Microsoft MVP - Visual C++
Java | [Coffee]

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