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Thanks Randor ..for the information.
I will try to fix..with the same..thanks a lot
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Seems this is not a Windows Native API. Link with the particular lib file contains definition for the function. and also make sure that it has built using 64 bit compiler.
-Sarath.
"Great hopes make everything great possible" - Benjamin Franklin
modified on Monday, February 2, 2009 7:01 AM
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Hi,
I want to append line to file i tried like this:
CString strNewWord (_T(" Test line to write"));
CStdioFile file;
file.Open(strSystemPath,CFile::modeWrite|CFile::modeNoTruncate,NULL);
file.SeekToEnd();
CString strWriteData("\\n ");
strWriteData+=strNewWord;
file.WriteString(strWriteData);
file.Close();
this code appends data but in single line (assume no compile time errors):
\n Test line to write\n Test line to write\n Test line to write
I want like this:
Test line to write
Test line to write
Test line to write
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CString strNewWord (_T(" Test line to write"));
CStdioFile file;
file.Open(strSystemPath,CFile::modeWrite|CFile::modeNoTruncate,NULL);
file.SeekToEnd();
CString strWriteData("\n ");/*(Here you ve gone wrong no need to give "\\n" for a new line just "\n" is enough)*/
strWriteData+=strNewWord;
file.WriteString(strWriteData);
file.Close();
Use this code this will be working . 
Thanks & Regards
VIJITH VIJAYAN
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You were answered a few lines down.
Iain.
Codeproject MVP for C++, I can't believe it's for my lounge posts...
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I am displaying an image in the internal web browser but as the image resolution is high, horizontal and vertical scroll bar are displaying. I want to display the image fit to the browser ie image resolution will be compressed according to browser size.How is it possible?
Note: I am using VC++6 and ActiveX control.
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Are you using Internet Explorer as your browser component?
-Sarath.
"Great hopes make everything great possible" - Benjamin Franklin
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I am using WebBrowser2. It is added by using Microsoft Internet Explorer added from ActiveX control.
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Hello,
I want to link my application with a file extension.
I already make it works, but each double-click on a my file make a new instance of my program.
It is possible to make an unique session and get a windows message or else to open my file as i want to?
My project is a CDialog based.
Thanks.
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There are many ways of doing it - searching for "single instance" on CodeProject will yield several articles - here's one[^] for example.
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Member 4020995 wrote: It is possible to make an unique session...
See here.
"Old age is like a bank account. You withdraw later in life what you have deposited along the way." - Unknown
"The brick walls are there for a reason...to stop the people who don't want it badly enough." - Randy Pausch
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I've found everything i need, and it works just fine
Thanks to your both answers.
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hi guys,
i am developing a simple worm scanner using VC++ 2008 pro. when the user click on scanning type ( Lets say Auto Scan ) from the main form, the program need to open the auto scan form. My question will be how can i close the main form and open the auto scan form.
i added the button to be click but i dont know the command to close current form and open the autoscan form. i try to use system::windowsform::autoscan; but its showing system is not declared and i added using namespace System to the .h file. yet its showing systme does not exist in namespace.
Kindly help me please.
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Closing the main form ends the process.
So I would recommend hiding the main form and then showing the sub form.
After the sub form is closed you can either show the main form or close it.
«_Superman_»
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but how to call the sub form.. i having problem with calling the sub form.
Thank you.
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Have look at the following discussion from a few days ago:
http://www.codeproject.com/script/Forums/View.aspx?fid=1647&msg=2898321[^]
The actual question took a little decoding, but hopefully the answers will help you a bit!
They're based on MFC's CDialog, but hopefully the approach will help you.
Iain.
Codeproject MVP for C++, I can't believe it's for my lounge posts...
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i am facing a new problem now...
void Spartamenu::OnBnClickedCancel()
{
// TODO: Add your control notification handler code here
//OnCancel();
}
even after i disable the onCancel and run it. when i click on the button its still closing the application.
________________________________________________________________________
void Spartamenu::OnBnClickedButton1()
{
// TODO: Add your control notification handler code here
CDialog::SetTimer(IDD_AUTO,1,NULL);
}
for open a subform i use this command but when i click on it nuthing happen...
i am so confused.. kidly help me plz ya..
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OnCancel and OnOK are slightly special - other commands need to be in the message map, but not for IDOK / IDCANCEL.
If you look in the documentation for CDialog::OnCancel, you'll see that it is a virtual method.
So, override OnCancel, and make it do nothing.
ie:
void SpartaMenu::OnCancel ()
{
}
I do this for my modeless dialogs - in fact I have an overriden base class for them all (CModelessDialog) that does this, so I don't have to remember each time.
Iain.
Codeproject MVP for C++, I can't believe it's for my lounge posts...
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ok.. so hows i should call the other form..
Below is the coding for the first form and second form.. i need to call the form 2 from this form when i click Button1. help me plz...
______________________________________________________________________
Form 1
// Spartamenu.cpp : implementation file
//
#include "stdafx.h"
#include "Sparta.h"
#include "Spartamenu.h"
IMPLEMENT_DYNAMIC(Spartamenu, CDialog)
Spartamenu::Spartamenu(CWnd* pParent /*=NULL*/)
: CDialog(Spartamenu::IDD, pParent)
{
}
Spartamenu::~Spartamenu()
{
}
void Spartamenu::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(Spartamenu, CDialog)
ON_BN_CLICKED(IDCANCEL, &Spartamenu::OnBnClickedCancel)
ON_BN_CLICKED(IDC_BUTTON1, &Spartamenu::OnBnClickedButton1)
END_MESSAGE_MAP()
void Spartamenu::OnBnClickedCancel()
{
// TODO: Add your control notification handler code here
OnCancel();
}
void Spartamenu::OnBnClickedButton1()
{
// TODO: Add your control notification handler code here
CDialog::SetTimer(IDD_AUTO,1,NULL);
DestroyWindow();
}
____________________________________________________________________
Form2
// Auto.cpp : implementation file
//
#include "stdafx.h"
#include "Sparta.h"
#include "Auto.h"
// Auto dialog
IMPLEMENT_DYNAMIC(Auto, CDialog)
Auto::Auto(CWnd* pParent /*=NULL*/)
: CDialog(Auto::IDD, pParent)
{
}
Auto::~Auto()
{
}
void Auto::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(Auto, CDialog)
ON_BN_CLICKED(IDCANCEL, &Auto::OnBnClickedCancel)
ON_BN_CLICKED(IDOK, &Auto::OnBnClickedOk)
ON_LBN_SELCHANGE(IDC_LIST1, &Auto::OnLbnSelchangeList1)
END_MESSAGE_MAP()
// Auto message handlers
int Auto::DoModal()
{
}
void Auto::OnBnClickedCancel()
{
// TODO: Add your control notification handler code here
OnCancel();
}
void Auto::OnBnClickedOk()
{
// TODO: Add your control notification handler code here
OnOK();
}
void Auto::OnLbnSelchangeList1()
{
// TODO: Add your control notification handler code here
}
_____________________________________________________________________
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Please read the other Q&A session I linked you to. I gave the answer to an identical question there. And it's too long to type again.
Iain.
Codeproject MVP for C++, I can't believe it's for my lounge posts...
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Hi all,
How can I know the number of lines of my file, and I want to read any perticular line ?
plz gv me solution..thx 
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There is no specific API for getting the number of lines in a file. you need to write your own code for that.
And what do u mean by saying "read a perticular line"?
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ok...I meant, I want to read only 10 and 12 number lines from the file.
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CStdioFile will be better to use... with that you can read line by line.
- ns ami -
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