C / C++ / MFC Discussion Boards

Re: TCHAR to string

Programm3r13-Dec-06 0:49

Programm3r

13-Dec-06 0:49

Thnx for the pointers Prasad ... I appriciate the help Smile | :)

The only programmers that are better than C programmers are those who code in 1's and 0's..... Smile | :)

Programm3r

Re: TCHAR to string

prasad_som12-Dec-06 22:43

prasad_som

12-Dec-06 22:43

One more way to achieve this. Save one function call,too.

TCHAR  infoBuf[INFO_BUFFER_SIZE];
GetComputerName( infoBuf, &bufCharCount );
basic_string<TCHAR> pc(infoBuf);

Prasad
Notifier using ATL | Operator new[],delete[][^]

Re: TCHAR to string

Programm3r12-Dec-06 22:55

Programm3r

12-Dec-06 22:55

Thnx Prasad,

But my fubction accepts a std::string and when I do this:

TCHAR  infoBuf[INFO_BUFFER_SIZE];
GetComputerName( infoBuf, &bufCharCount );
basic_string <TCHAR> pc(infoBuf);

this would happen:

Error 1 error C2664: 'CIniFile::SetValue' : cannot convert parameter 2 from 'std::basic_string<_Elem,_Traits,_Ax>' to 'std::string' c:\documents and settings\qx55246\my documents\visual studio 2005\projects\testsmsintferface\testsmsintferface\testsmsintferface.cpp 32

The only programmers that are better than C programmers are those who code in 1's and 0's..... Smile | :)

Programm3r

Re: TCHAR to string

anand_study13-Dec-06 2:41

anand_study

13-Dec-06 2:41

If your language/tool supports WideCharToMultiByte and MultiByteToWideChar functions, you may use them for ASCII<->UNICODE string conversion.

Hope this helps.
Anand

.tlh

Krishnatv12-Dec-06 19:51

Krishnatv

12-Dec-06 19:51

how .tlh file get generated ? iam using vc 6.

Re: .tlh

prasad_som12-Dec-06 20:22

prasad_som

12-Dec-06 20:22

You need to import valid type library in your project.

#import "MyComObj.tlb"

Prasad
Notifier using ATL | Operator new[],delete[][^]

fatal error C1192: #using failed on 'c:\compression\from ecl\filetofile\debug\AxInterop..dll'

Banks K12-Dec-06 19:47

Banks K

12-Dec-06 19:47

Hi all,

I am trying to build a application but i got error as follows :

FileToFile fatal error C1192: #using failed on 'c:\compression\from ecl\filetofile\debug\AxInterop..dll'

also this application have successfully build on other machine.

how can i solve this problem please suggest me .

thanks
bankey.

Re: fatal error C1192: #using failed on 'c:\compression\from ecl\filetofile\debug\AxInterop..dll'

kakan12-Dec-06 20:24

kakan

12-Dec-06 20:24

Banks K wrote:
AxInterop..dll'

Are the double dots in the file name intentional?

Alcohol. The cause of, and the solution to, all of life's problems - Homer Simpson

Atx Dll in MFC

chaitannya_m12-Dec-06 19:47

chaitannya_m

12-Dec-06 19:47

Hi all,

I have created an ActiveX dll in VB and imported in VC++. Everything went fine, untill i defined a new function in the DLL. Now how do i make that function appear in MFC class.

How to use a class member(with copy constructor) in union .

sujeet_kulk12-Dec-06 18:37

sujeet_kulk

12-Dec-06 18:37

I am having a union with a class member, that class has a
copyconstructor compiler is giving me error about that.
Is anything can be done about it or some round about.

Re: How to use a class member(with copy constructor) in union .

led mike12-Dec-06 18:46

led mike

12-Dec-06 18:46

sujeet_kulk wrote:
I am having a union with a class member

How about a different design?

led mike

Re: How to use a class member(with copy constructor) in union .

Stephen Hewitt12-Dec-06 18:51

Stephen Hewitt

12-Dec-06 18:51

You can't: logically it makes no sense. How would the union know which constructor to call?

Steve

Re: How to use a class member(with copy constructor) in union .

CPallini12-Dec-06 19:47

CPallini

12-Dec-06 19:47

A union cannot contain a member having a copy constructor.
Revise your design.
Frown | :(

If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.

syntax for calling stored procedure

With_problem12-Dec-06 18:16

With_problem

12-Dec-06 18:16

what is the syntax for calling stored procedure

Re: syntax for calling stored procedure

led mike12-Dec-06 18:30

led mike

12-Dec-06 18:30

is in the documentation at msdn.microsoft.com

"Alot of the people on this forum are incredibly stupid, thinking that the internet is real"
Score: 1.0 in the Soap Box

led mike

Re: syntax for calling stored procedure

David Crow13-Dec-06 7:16

David Crow

13-Dec-06 7:16

abrakadbra wrote:
what is the syntax for calling stored procedure

From?

"Approved Workmen Are Not Ashamed" - 2 Timothy 2:15

"Judge not by the eye but by the heart." - Native American Proverb

Virtual memory usage ? How ?

Sakthiu12-Dec-06 18:16

Sakthiu

12-Dec-06 18:16

Dear All,

I want to use virtual memory more rather than main memory.

I need virual memory usage techniques those can be applied for application that has no user interfaces (Dialogs).

Kindly let me know.

Thanks.

Re: Virtual memory usage ? How ?

CPallini12-Dec-06 19:48

CPallini

12-Dec-06 19:48

Virtual memory usage it's not up to you. OS provides that to applications.
Smile | :)

If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.

Re: Virtual memory usage ? How ?

kakan12-Dec-06 20:33

kakan

12-Dec-06 20:33

VirtualAlloc() / VirtualFree() ?
http://msdn2.microsoft.com/en-gb/library/aa366887.aspx[^]

Alcohol. The cause of, and the solution to, all of life's problems - Homer Simpson

RegSetValueEx cant figure it out

locoone12-Dec-06 17:30

locoone

12-Dec-06 17:30

BOOL bRetVal;<br />
    hKey = HKEY_CURRENT_USER;<br />
	path = "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced";<br />
	DWORD data = 1;<br />
	DWORD datas = sizeof(DWORD);<br />
	RegOpenKeyEx(hKey, path, NULL, KEY_QUERY_VALUE, &hKey);<br />
	<br />
	bRetVal = RegSetValueEx(<br />
		hKey, <br />
		"Start_SearchFiles", <br />
		NULL, <br />
		REG_DWORD,<br />
		(CONST BYTE *) data,<br />
		datas<br />
		);<br />
	if (bRetVal == ERROR_SUCCESS)<br />
	{<br />
		MessageBox("set");<br />
	}<br />
	else<br />
	{<br />
		MessageBox("set failed");<br />
	}<br />
	RegCloseKey(hKey);

ive tryed everything i can think of and every time set failed goes off can someone point out what im missing?

Re: RegSetValueEx cant figure it out

«_Superman_»12-Dec-06 18:19

«_Superman_»

12-Dec-06 18:19

I guess it is because you are opening the registry key with KEY_QUERY_VALUE access. This will allow only query and not set.

« Superman »

Re: RegSetValueEx cant read documentation

led mike12-Dec-06 18:27

led mike

12-Dec-06 18:27

locoone wrote:
what im missing?

What you are missing is "reading" the documentation[^]

Parameters

hKey
[in] A handle to an open registry key. The key must have been opened with the KEY_SET_VALUE access right.

led mike

Re: RegSetValueEx cant figure it out

prasad_som12-Dec-06 18:53

prasad_som

12-Dec-06 18:53

locoone wrote:
RegOpenKeyEx(hKey, path, NULL, KEY_QUERY_VALUE, &hKey);

Here you need to set KEY_SET_VALUE , as mentioned earlier.

locoone wrote:
bRetVal = RegSetValueEx(
hKey,
"Start_SearchFiles",
NULL,
REG_DWORD,
(CONST BYTE *) data,
datas
);

You need to pass address of data, instead you have type casted data itself to (CONST BYTE *).
So you call can be modified as,

bRetVal = RegSetValueEx(
hKey, 
"Start_SearchFiles", 
NULL, 
REG_DWORD,
(CONST BYTE *) (&data),//<-- pass address
datas
);

Prasad
Notifier using ATL | Operator new[],delete[][^]

calling function...dll

With_problem12-Dec-06 17:17

With_problem

12-Dec-06 17:17

//This is dll function which i am calling to insert data

<br />
short setQuoteToDB(BSTR* strDateTimeStamp, short* intMarketNo, BSTR* strMarketName, BSTR* strBid, BSTR* strAsk, short* intMarketState);<br />

// This is function from which i am getting data fom remote server

 <br />
void CArielProjectVer2Dlg::OnPriceChangeArielapictrl1(LPCTSTR SessionId, LPCTSTR RequestId, short MarketNo, LPCTSTR Market, LPCTSTR Bid, short BidDirection, LPCTSTR Ask, short AskDirection, LPCTSTR High, LPCTSTR Low, short MarketState, LPCTSTR Timestamp) <br />

Now when i call this dll function....setQuotetoDB...by passing parameter i got error

<br />
setQuoteToDB(Timestamp,marketno,Market,ask_d,bid_d,marketstate);<br />

What should i do so that i can insert data...in database...any help...

Re: calling function...dll

prasad_som12-Dec-06 18:08

prasad_som

12-Dec-06 18:08

abrakadbra wrote:
Now when i call this dll function....setQuotetoDB...by passing parameter i got error

Which error ?

Prasad
Notifier using ATL | Operator new[],delete[][^]

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