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I'm trying to use _strnextc from C Run-Time Library in Visual C++ v6 code, but compiler says is undeclared - I have included the relevant .h file, but looks like something isn't getting #defined to access this function. I am building a statically linked single threaded MFC ptroject.
Can anyone help ?
Thanks,
Grant.
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Hi ,
I am totally new to VC++ .NET environment.
My application is of 3 parts; a static library built in VC++ 6, the application exe - a VC++6 console application and a MFC Extension DLL again from VC6. But all these I have included in VC.NET solution. The static library is used by both the exe as well as the DLL.
I was forced to convert the DLL to Managed Extension as I was using XMLReader.
As i am using a class declared in the static library in the DLL, i get a linking error:
fl_rule_engine error LNK2020: unresolved token (0A00000C) CBinaryField.__dtor
Any help will be much appreciated!!!
This is my first question and I hope I get some answers.
Thanks
smilerays
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Hallo comunity,
where can i download the WebBrowserControl to add them to my dialog to show html files from the web?
I dont have one in my Visual Studio 6!
thanx
mirso
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Isn't it in the ActiveX list already installed (Menu "Project > Add to Project > Components and Control > Registered ActiveX Components")?
Marc Soleda.
... she said you are the perfect stranger she said baby let's keep it like this... Tunnel of Love, Dire Straits.
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Hi,
yes, is true! 
thanx
mirso
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Hi,
I want to read data from serial port asynchronously. I developed a program and I am sending the reading part of that program. When I build this code, I have not met any error. But, when I run the program and read data from serial port, my program gives unhandled exception error and I can not see any data on my edit box. Anybody else that helps me about this problem?
Thank you,
Semih
The reading part of my program:
#define MAX_BUFF 128
#define TEN_K 10240
#define STRMAX 1024
HANDLE Open_Com;
HANDLE SPEvent;
DCB dcb;
COMMTIMEOUTS CommTimeouts;
OVERLAPPED overlapped;
CWinThread* pComPort;
CSP_AsyncRead_2Dlg *pWnd = ((CSP_AsyncRead_2Dlg*) pComPort);
UINT ReadPort(LPVOID pComPort)
{
BYTE counter=0;
char sMsg[512];
BOOL fSuccess = 0;
DWORD dwEvtMask = 0;
BYTE tmp[16];
int ReadConstant = 1;
Open_Com = CreateFile("COM3",
GENERIC_READ | GENERIC_WRITE, //access (read and write)
0, // 0: cannot share the com port
NULL, // security (None)
OPEN_EXISTING, // creation : open existing
FILE_ATTRIBUTE_NORMAL, // overlapped I/O
NULL); // no templates file for COM port
if (Open_Com == INVALID_HANDLE_VALUE) //check whether the COM port is opened or not
{
AfxMessageBox("Port Acildi");
} // end if (m_hCom == INVALID_HANDLE_VALUE)
if (Open_Com)
{
memset(&dcb,0,sizeof(dcb));
dcb.DCBlength = sizeof ( DCB ) ;
dcb.BaudRate = 9600;
dcb.ByteSize = 8;
dcb.Parity = NOPARITY;
dcb.StopBits = ONESTOPBIT;
SetCommState(Open_Com, &dcb); // guncel dcb sutructure degerlerini yerlestir
SetupComm(Open_Com, MAX_BUFF, MAX_BUFF); // set input and output buffer sizes
fSuccess = SetCommMask (Open_Com, EV_RXCHAR | EV_RXFLAG); // Set the mask for the events you want to listen for
} // end if (Open_Com)
if(fSuccess)
{
while(Open_Com != INVALID_HANDLE_VALUE)
{
int iBytesRead = 0;
DWORD iBytesReadThisTime = 0;
char szData[MAX_BUFF];
BOOL bRead;
WaitCommEvent(Open_Com, &dwEvtMask, 0);
SetCommMask (Open_Com, EV_RXCHAR);
if (dwEvtMask & EV_RXCHAR){
bRead = ReadFile(Open_Com, &tmp, ReadConstant, &iBytesReadThisTime, 0);
iBytesRead += iBytesReadThisTime;
}
tmp[iBytesRead] = '\0';
if(tmp[0] != '\0'){
try
{
pWnd->m_Vreaddata.SetAt(counter++,*tmp);;//
}
catch(CException* e)
{
AfxMessageBox("Error Occurs!");
e->Delete();
}
} // if(szData[0] != '\0')
}
} //if(fSuccess)
return 0;
}
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Where is your program crashing ? I suggest you to use the debugger and step into the code to see where it crashes. It is also very usefull to see the variables value.
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I always use the debugger to check any errors. In the following, I marked the line where my program is crashing. Please make suggestions that overcome my problem.
#define MAX_BUFF 128
#define TEN_K 10240
#define STRMAX 1024
HANDLE Open_Com;
HANDLE SPEvent;
DCB dcb;
COMMTIMEOUTS CommTimeouts;
OVERLAPPED overlapped;
CWinThread* pComPort;
CSP_AsyncRead_2Dlg *pWnd = ((CSP_AsyncRead_2Dlg*) pComPort);
UINT ReadPort(LPVOID pComPort)
{
BYTE counter=0;
char sMsg[512];
BOOL fSuccess = 0;
DWORD dwEvtMask = 0;
BYTE tmp[16];
int ReadConstant = 1;
Open_Com = CreateFile("COM3",
GENERIC_READ | GENERIC_WRITE, //access (read and write)
0, // 0: cannot share the com port
NULL, // security (None)
OPEN_EXISTING, // creation : open existing
FILE_ATTRIBUTE_NORMAL, // overlapped I/O
NULL); // no templates file for COM port
if (Open_Com == INVALID_HANDLE_VALUE) //check whether the COM port is opened or not
{
AfxMessageBox("Port Acildi");
} // end if (m_hCom == INVALID_HANDLE_VALUE)
if (Open_Com)
{
memset(&dcb,0,sizeof(dcb));
dcb.DCBlength = sizeof ( DCB ) ;
dcb.BaudRate = 9600;
dcb.ByteSize = 8;
dcb.Parity = NOPARITY;
dcb.StopBits = ONESTOPBIT;
SetCommState(Open_Com, &dcb); // guncel dcb sutructure degerlerini yerlestir
SetupComm(Open_Com, MAX_BUFF, MAX_BUFF); // set input and output buffer sizes
fSuccess = SetCommMask (Open_Com, EV_RXCHAR | EV_RXFLAG); // Set the mask for the events you want to listen for
} // end if (Open_Com)
if(fSuccess)
{
while(Open_Com != INVALID_HANDLE_VALUE)
{
int iBytesRead = 0;
DWORD iBytesReadThisTime = 0;
char szData[MAX_BUFF];
BOOL bRead;
WaitCommEvent(Open_Com, &dwEvtMask, 0);
SetCommMask (Open_Com, EV_RXCHAR);
if (dwEvtMask & EV_RXCHAR){
bRead = ReadFile(Open_Com, &tmp, ReadConstant, &iBytesReadThisTime, 0);
iBytesRead += iBytesReadThisTime;
}
tmp[iBytesRead] = '\0';
if(tmp[0] != '\0'){
try
{
pWnd->m_Vreaddata.SetAt(counter++,*tmp);
}
catch(CException* e)
{
AfxMessageBox("Error Occurs!");
e->Delete();
}
} // if(szData[0] != '\0')
}
} //if(fSuccess)
return 0;
}
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The variable name of my edit box. Its category is value and its variable type is CString.
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 Uuuuhhhh
What's this ???
CWinThread* pComPort;<br />
CSP_AsyncRead_2Dlg *pWnd = ((CSP_AsyncRead_2Dlg*) pComPort);<br />
<br />
...<br />
...<br />
<br />
pWnd->m_Vreaddata.SetAt(counter++,*tmp); <br />
What are you trying to do there ??? You have an unitialized CWinThread pointer that is converted to a CSP_AsyncRead_2Dlg pointer and after that you call a function from this 'pointer' 
First, you cannot convert a CWinThread pointer into a CSP_AsyncRead_2Dlg (they are completely different things) and second your pointer points to unitilazed memory (it hasn't been initialized) and so you cannot use it before make it points to a valid object.
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So, how should I change my program? Could you write the correct parts that must be changed in my program?
Gratefully thank you for your help.
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If your CSP_AsyncRead_2Dlg* class is the main window of your program and if you use the MFC, you can use AfxGetMainWindow to retrieve a pointer to the main window (then you'll have to cast it to CSP_AsyncRead_2Dlg*).
I also strongly suggest you to get rid of global variables and global functions, preferably make them members of some class.
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What is the message generated when some one a website is about to be loaded or is loading ?
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Opening page...3 items remaining... downloading... 
Js for fun
V
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Anonymous wrote:
website is about to be loaded
If you are using CHTMLView then look for thsi message CHtmlView::OnProgressChange
"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
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Use BeforeNavigate2 for a WebBrowser Control.
Marc Soleda.
... she said you are the perfect stranger she said baby let's keep it like this... Tunnel of Love, Dire Straits.
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marcdev wrote:
Use BeforeNavigate2 for a WebBrowser Control.
Sorry for correcting you, May be i am wrong too. BeforeNavigate2 fire When WebBrowser start loading the Webpage !
"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
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Ups You're right. I missunderstood the question. Thanks !!
... she said you are the perfect stranger she said baby let's keep it like this... Tunnel of Love, Dire Straits.
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marcdev wrote:
I missunderstood the question. Thanks !!
It's Ok 
"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
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Does anyone know how to switch the input focus from a console window back to the application window??
I've tried SwitchToThisWindow but it doesn't work.
Is it because i'm calling this in a worker thread function.
UINT MyThreadProc( LPVOID pParam )
{
HWND hwndMain = (AfxGetMainWnd())->GetSafeHwnd();
SwitchToThisWindow(hwndMain, TRUE);
}
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klboy wrote:
how to switch the input focus from a console window back to the application window
What do you mean ? I don't understand your question here. Do you have two separate apps (one a console application and the other a windows application) and inside the console application, you want to set the focus to the other application (that is the window app) ?
If yes, you will need to get the handle with FindWindow function.
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cedric moonen wrote:
What do you mean ? I don't understand your question here. Do you have two separate apps (one a console application and the other a windows application) and inside the console application, you want to set the focus to the other application (that is the window app) ?
If yes, you will need to get the handle with FindWindow function.
No i only have one MFC application.
In the my application i have a DLL statically loaded from which i call a function to invoke a debugging console window.
My application communicates to this console window via tcp.
The console acts is the server and my application acts a client.
Now i want to be able to switch to my main application window where i can pressed a key and send a corresponding debug command to the console window.
But atm as soon as i invoke the console window and establish a server-client connection i can't switch back to the my app window.
The console seems to be waiting to receive some data from my application.
I need to switch to the application so that i can press a key for the client to send a debug command to the console.
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Hi!
I use VC++.NET 2003.
I want to compress following text string.
I store following text in std::string.
std::string
a="2B3A2BF0BCD8773D23BEE5550A56E86AF6CF64911214862625027CE7032451282E33F0BFB09D69091D39B1A1788E1A707E50A1948038500CF2044163F379912AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7AD8B59848C7670C94B29B54D2379E2E7A";
I need to compress above string before transferring it from my server.
How do I compress above string into a compressed string (for example,
std::string b;).
Any help will be appreciated
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