|
Hi Stuart,
ok, this is as far as I've gotten so far...
wr->LastName = _bstr_t ("Davis");
using namespace ADODB;
_RecordsetPtr ptrRS;
hresult = ptrRS.CreateInstance(__uuidof(Recordset));
if(FAILED(hresult)) {
MessageBox("ptrRS.CreateInstance Failed *****");
}
ptrRS = wr->;GetCustomerList();
ptrRS->MoveFirst();
_variant_t vtRows = ptrRS->GetRows(ADODB::adGetRowsRest);
No crashes to this point...
So how do I get the data out of the variant?
Thanks
phil
|
|
|
|
|
The variant should contain a SAFEARRAY[^]. There are useful classes wrapping SAFEARRAYs - see here[^] and here[^].
The other way would be to use the methods of record set (other than GetRows - that's not the best way, to be honest, but the easiest for the specific example I was showing).
Java, Basic, who cares - it's all a bunch of tree-hugging hippy cr*p
|
|
|
|
|
how to create an xml file in vc++6.0 and writing data to it.please let me know
kir_MFC
|
|
|
|
|
|
As Naveen suggested. There are other XML parsers available as well. Also you could look at the XML DOM tutorial on www.w3schools.com. There are other sites with DOM info as well
[modified]
Why? What was wrong with the replies from previous post?
|
|
|
|
|
kir_MFC wrote: please let me know
See here. 
"Old age is like a bank account. You withdraw later in life what you have deposited along the way." - Unknown
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
|
|
|
|
|
hi there,
I have one modal dialog box, created by DialogBox() api. This dialog box has some buttons and other control.
1. Here I want to capture Ctrl+PgUP and Ctrl+PgDn key strokes. and based on them i want to move to another button
2. Once i am on another button i want to forward this action to one of the case in WM_COMMAND.
could you be able to take some time and answer my questions please?
Thanks in advance
Warm Regards
Ajay
London
|
|
|
|
|
reply2am wrote: could you be able to take some time and answer my questions please?
Try this.
"Old age is like a bank account. You withdraw later in life what you have deposited along the way." - Unknown
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
|
|
|
|
|
in my application i have to read edit box controls data into xml file .please let me know how to do it
kir_MFC
|
|
|
|
|
|
thank u very much
kir_MFC
|
|
|
|
|
kir_MFC wrote: please let me know how to do it
Which part, reading from an edit control or writing to an XML file?
"Old age is like a bank account. You withdraw later in life what you have deposited along the way." - Unknown
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
|
|
|
|
|
read data in the edit controls and store that data in xml file
kir_MFC
|
|
|
|
|
kir_MFC wrote: read data in the edit controls...
Use GetWindowText(), CWnd::GetWindowText(), or send it a WM_GETTEXT message.
kir_MFC wrote: ...and store that data in xml file
Have you looked at TinyXML?
"Old age is like a bank account. You withdraw later in life what you have deposited along the way." - Unknown
"Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons
|
|
|
|
|
Hello,
I wrote template which return matrix in Window Form Application .My template is below:
template<class T>
class matrix1 {
protected:
public:
T *data;
const unsigned rows, cols, size;
matrix1(unsigned r, unsigned c) : rows(r), cols(c), size(r*c) {
data = new T[size];
}
~matrix1() { delete data; }
void setValue(unsigned row, unsigned col, T value) {
data[(row*cols)+col] = value;
}
T getValue(unsigned row, unsigned col) const {
return data[(row*cols)+col];
}
};
I wrote this code in Main Project File in Windows Form Application.I defined 341*680 matrix with using this template :
matrix1<double>A(341,680);
I used function that do operation on this template and I defined it like this:
void function(matrix1<double> &b,array< double>^ temp)
And call it:
function(A,temp);
(temp is one dimensinonal data array that I have to use for my programming algorithm)
For Example;When I want to print data that is located in the first row and first column.
Visual C++ recognise getvalue and setvalue function ,but couldn't print anything and gave a lot of error interested with array1 template
I tried this template and function on CLR Console Application and it worked.How could I do this On Windows Form Application.And Where should I locate template class on Windows Form Application.
Best Regards...
modified on Tuesday, June 30, 2009 8:48 AM
|
|
|
|
|
Take a look at Managed Templates[^]
«_Superman_»
I love work. It gives me something to do between weekends.
|
|
|
|
|
emira67 wrote: Visual C++ recognise getvalue and setvalue function ,but couldn't print anything and gave a lot of error interested with array1 template
Do you mean compilation errors? If so, tell us what they were...Because after correcting the obvious syntax error (you missed off the trailing }; of the template class definition), that code compiled, linked and ran inside a C++ WinForms application built in VS2008
Java, Basic, who cares - it's all a bunch of tree-hugging hippy cr*p
|
|
|
|
|
It was compiler error that VS2008 gave.These errors lik these:
error C3861: 'function': identifier not found
error C2065: 'A' : undeclared identifier
In fact I declared this items!!!
Could you help me please?
|
|
|
|
|
emira67 wrote: In fact I declared this items!!!
But obviously not somewhere that the code that used the items was able to see them.
emira67 wrote: Could you help me please?
If you posted some more detail (the filename that you put the template class & function declaration in, the code that uses the matrix and function), then possibly. However, your code is syntactically and semantically correct - you've just organised it so that the code that uses those things can't see them. Check through your code to understand why!
Java, Basic, who cares - it's all a bunch of tree-hugging hippy cr*p
|
|
|
|
|
hi all,
i have written a small service.now when i install the service, the service gets installed what i feel but is not able to start. using an installer i am installing the service application in windows vista.
it gives out an error during installation, when the service is getting started.
it throws an error as follows:
Create process failed: error code 14001. the application has failed to start because the application configuration is incorrect. reinstalling the application may fix the problem.
i tried reinstalling, however the same problem persists...
i am pasting the code below,, for initial main, service installation and service start functions..please can i get some help on fixing the error....
*///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void __cdecl _tmain(int argc, char **argv)
{
HKEY hKeyHandle;
DWORD dwDataToWrite = 1;
if( argc == 3 )
{
printf("ERROR:\tIncorrect number of arguments\n\n");
return;
}
char *arg1 = argv[1];
char *arg2 = argv[2];
if(_strnicmp(arg1, "install", 7) == 0)
{
if(!PathFileExists(arg2 ))
{
exit(1);
}
if (InstallService(arg2))
{
MessageBox(NULL,"Service installed successfully",Message,MB_OK);
}
else
{
MessageBox(NULL,"Error in service installation",Message,MB_OK);
exit(2);
}
}
else if (lstrcmpi( arg1, TEXT("uninstall")) == 0 )
{
if(!ServiceDelete())
{
MessageBox(NULL,"Error in Un-installing",Message,MB_OK);
exit(3);
}
}
else if (lstrcmpi( arg1, TEXT("enable")) == 0 )
{
if (!EnableService())
{
MessageBox(NULL,"Error in enabling",Message,MB_OK);
exit(4);
}
}
else
exit(0);
SERVICE_TABLE_ENTRY DispatchTable[] = {
{ SRVCNAME, (LPSERVICE_MAIN_FUNCTION) SvcMain },
{ NULL, NULL } };
StartServiceCtrlDispatcher(DispatchTable);
}
// Service main function for the service
VOID WINAPI SvcMain(DWORD dwArgs,LPTSTR *lpszArgv)
{
DWORD dwErr = 0;
debug_log("In Service Main-The Entry Point for Service");
// Register the handler function to service
svcStatusHandle = RegisterServiceCtrlHandlerEx(TEXT(SRVCNAME),(LPHANDLER_FUNCTION_EX)SvcCtrlHandler,NULL);
if(!svcStatusHandle)
{
debug_log("Failed to register service handler function error(%d) returned",GetLastError());
(VOID)ReportServiceStatus(SERVICE_STOPPED,dwErr,0);
return;
}
// service status members remain same as set here.
svcStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
svcStatus.dwServiceSpecificExitCode = 0;
if(!ReportServiceStatus( SERVICE_START_PENDING, NO_ERROR, 3000 ));
CleanupHandles();
//Start the service...
ServiceStart(dwArgs,lpszArgv);
debug_log("Exiting Service Main");
}
//Function for installing the service in SCM database
BOOL InstallService(char *szPath)
{
SC_LOCK sclLock;
LPQUERY_SERVICE_LOCK_STATUS lpqslsBuf;
SERVICE_DESCRIPTION sdBuf;
DWORD dwBytesNeeded;
BOOL bSuccess=TRUE;
SC_ACTION sca[3];
SERVICE_FAILURE_ACTIONS sfaBuf;
debug_log("Installing service now...");
//Get a handle to SCM database..
schSCManager = OpenSCManager(NULL,NULL,SC_MANAGER_CREATE_SERVICE | SC_MANAGER_ALL_ACCESS | SC_MANAGER_LOCK | SC_MANAGER_QUERY_LOCK_STATUS);
if (schSCManager == NULL)
{
debug_log("Failed to open SCM database, error-(%d) returned\n",GetLastError());
return false;
}
else debug_log("Connection to SCM database success");
LPCTSTR lpszBinaryPathName= szPath;
// If database opened create the service
schService = CreateService(schSCManager,SRVCNAME,SRVCNAME,SERVICE_ALL_ACCESS,SERVICE_WIN32_OWN_PROCESS | SERVICE_INTERACTIVE_PROCESS,SERVICE_AUTO_START, SERVICE_ERROR_NORMAL,lpszBinaryPathName,NULL,NULL,NULL,NULL,"");
if(schService == NULL)
{
debug_log("Error in creating service,[%d] error code returned",GetLastError());
return false;
}
else debug_log("Service %s created and installed",SRVCNAME);
CloseHandle(schService);
// service config change to specify action on failure
debug_log("Acquiring lock on SCM database");
sclLock = LockServiceDatabase(schSCManager);
if (sclLock == NULL)
{
if (GetLastError() != ERROR_SERVICE_DATABASE_LOCKED)
{
debug_log("Database Lock failed");
return FALSE;
}
// Allocate buffer to det details about the lock
lpqslsBuf = (LPQUERY_SERVICE_LOCK_STATUS)LocalAlloc(LPTR,sizeof(QUERY_SERVICE_LOCK_STATUS)+ 256);
if (lpqslsBuf == NULL)
{
debug_log("Local alloc failed");
return FALSE;
}
// Get the lock status information
if(!QueryServiceLockStatus(schSCManager,lpqslsBuf,sizeof(QUERY_SERVICE_LOCK_STATUS)+256,&dwBytesNeeded))
{
debug_log("Query lock status failed");
return FALSE;
}
if (lpqslsBuf->fIsLocked)
{
debug_log("Already locked by %s",lpqslsBuf->fIsLocked);
}
else
LocalFree(lpqslsBuf);
}
//if database is locked make the changes
schService= OpenService(schSCManager,SRVCNAME,SERVICE_ALL_ACCESS | SERVICE_CHANGE_CONFIG);
if (schService == NULL)
{
debug_log("Open service failed");
return FALSE;
}
sca[0].Type = SC_ACTION_RESTART;
sca[0].Delay = 1;
sca[1].Type = SC_ACTION_RESTART;
sca[1].Delay = 1;
sca[2].Type = SC_ACTION_RESTART;
sca[2].Delay = 1;
sfaBuf.cActions = 3;
sfaBuf.lpsaActions = sca;
sfaBuf.dwResetPeriod = INFINITE;
sdBuf.lpDescription = "Test Service";
if (!ChangeServiceConfig2(schService,SERVICE_CONFIG_FAILURE_ACTIONS,&sfaBuf))
{
debug_log("Change service config failed");
bSuccess = FALSE;
}
UnlockServiceDatabase(sclLock);
CleanupHandles();
debug_log("Exiting install service...");
return bSuccess;
}
// Start the service
VOID ServiceStart(DWORD dwArgc, LPTSTR *lpszArgv)
{
debug_log("Inside Service Start,Service Started");
SERVICE_STATUS_PROCESS ssStatus;
DWORD dwOldCheckPoint;
DWORD dwStartTickCount;
DWORD dwWaitTime;
DWORD dwBytesNeeded;
// Acquire handle to the SCM database.
schSCManager = OpenSCManager(NULL,NULL,SC_MANAGER_ALL_ACCESS);
if (schSCManager == NULL)
{
debug_log("OpenSCManager failed (%d)\n", GetLastError());
return;
}
// Handle to the service.
schService = OpenService(schSCManager,SRVCNAME,SERVICE_ALL_ACCESS);
if (schService == NULL)
{
debug_log("OpenService failed (%d)\n", GetLastError());
CloseServiceHandle(schSCManager);
return;
}
// Start the service.
if (!StartService(schService,0,NULL) )
{
debug_log("StartService failed error-(%d) returned\n", GetLastError());
CleanupHandles();
return;
}
// Check if the service has started
if (!QueryServiceStatusEx(schService,SC_STATUS_PROCESS_INFO,(LPBYTE) &ssStatus,sizeof(SERVICE_STATUS_PROCESS),
&dwBytesNeeded ) )
{
debug_log("Service status 1 query failed,error[%d] returned",GetLastError());
return;
}
// Check the system start time....
dwStartTickCount = GetTickCount();
dwOldCheckPoint = ssStatus.dwCheckPoint;
while (ssStatus.dwCurrentState == SERVICE_START_PENDING)
{
dwWaitTime = ssStatus.dwWaitHint / 10;
if( dwWaitTime < 1000 )
dwWaitTime = 1000;
else if ( dwWaitTime > 10000 )
dwWaitTime = 10000;
Sleep( dwWaitTime );
// Check the status again.
if (!QueryServiceStatusEx(schService,SC_STATUS_PROCESS_INFO,(LPBYTE) &ssStatus,sizeof(SERVICE_STATUS_PROCESS),
&dwBytesNeeded ) )
{
debug_log("Service status 2 query failed,error[%d] returned",GetLastError());
break;
}
if ( ssStatus.dwCheckPoint > dwOldCheckPoint )
{
// Service is running with system start
dwStartTickCount = GetTickCount();
dwOldCheckPoint = ssStatus.dwCheckPoint;
}
else
{
if(GetTickCount()-dwStartTickCount > ssStatus.dwWaitHint)
{
//Service hasn't been started with system start
debug_log("Service has not started with system startup");
break;
}
}
}
// Determine whether the service is running
if (ssStatus.dwCurrentState == SERVICE_RUNNING)
{
debug_log("Service has been started successfully.\n");
}
else
{
debug_log("Service not started. \n");
debug_log(" Current State: %d\n", ssStatus.dwCurrentState);
debug_log(" Exit Code: %d\n", ssStatus.dwWin32ExitCode);
debug_log(" Check Point: %d\n", ssStatus.dwCheckPoint);
debug_log(" Wait Hint: %d\n", ssStatus.dwWaitHint);
}
// Start the action to be performed by the service..
debug_log("Starting the service init process now,work to be performed by service");
ServiceInit();
debug_log("Exiting Service Start now..");
CleanupHandles();
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////******
all the variables used have been declared and there are no compilation error...
using visual studio 2008 for service application development for windows vista...
Thankuou...
|
|
|
|
|
No need to paste the full code of your application. Please read the posting guidelines ("How to get an answer to your question") before posting...
For your problem: are you using VC2005 or VC2008 ? If yes, you have to instal the VC redistributable package on the target platform. This will install the C-runtime and MFC libraries.
You can find this for VC2005 here[^]. IF you need another version of VC (2008, or with a service pack installed), you'll have to search a bit on the website.
|
|
|
|
|
Or you can build you application with Static MCF and CRTL libraries instead of using DLLs. Base distribution for Vista does not include the VS2008 runtime yet.
|
|
|
|
|
i am using vs2008.
i did install the redistributable package on the machine..and still the same problem persists....
|
|
|
|
|
Did you install the redistributable package for VC2008 ?
Otherwise, as someone else mentioned, another solution would be to statically link to the C-runtime and MFC dlls.
|
|
|
|
|
Code Block 1
int iWindExtX = 3500;
int iWindExtY = 4375;
pDC->SetMapMode (MM_ISOTROPIC);
pDC->SetWindowOrg(0,0);
pDC->SetViewportOrg(0,0);
pDC->SetWindowExt(iWindExtX , iWindExtY);
pDC->SetViewportExt(972, 1404);
m_pDC->Rectangle(0, 0, iWindExtX, iWindExtY);
Code Block 2
int iWindExtX = 2500;
int iWindExtY = 4500;
pDC->SetMapMode (MM_ISOTROPIC);
pDC->SetWindowOrg(0,0);
pDC->SetViewportOrg(0,0);
pDC->SetWindowExt(iWindExtX , iWindExtY);
pDC->SetViewportExt(972, 1404);
m_pDC->Rectangle(0, 0, iWindExtX, iWindExtY);
In the above two code blocks the window extend size only differs.
My question is whether drawn rectangle using above two code blocks are of same size?
If differs then please tell me how?
|
|
|
|
|
General 
News 
Suggestion 
Question 
Bug 
Answer 
Joke 
Praise 
Rant 
Admin 
Submit an article or tip
