C / C++ / MFC

Jung Seng Won wrote:

while ( !feof(fp) )
{
fgets(data, sizeof(data)-1, fp);
fputs(data, stdout);
}

while ( !feof(fp) )
{
   if( fgets(data, sizeof(data)-1, fp) == NULL)
        break;
      else
         fputs(data, stdout);
}

Jung Seng Won wrote:

why that result come?

Jung Seng Won wrote:

fgets(data, sizeof(data)-1, fp);
fputs(data, stdout);

if( fgets(data, sizeof(data)-1, fp) )
  fputs(data, stdout);

// VanillaConsole.cpp : Defines the entry point for the console application.
//
 
#include "stdafx.h"
#include <iostream>
#include <fstream>
#include <string>
using namespace std;
 
int main()
{
	ifstream ifs("C:\\Data.txt");
	if (!ifs)
	{
		cerr << "Failed to open file!" << endl;
		return -1;
	}
 
	string line;
	while (getline(ifs, line))
	{
		cout << line << endl;
	}
 
	return 0;
}

#include <iostream>
#include <string>
using namespace std;

class CCustomer
{
private:
string Card_number;
public:
string first_name;
string last_name;
string customer_ID;
CCustomer();//Default constructor
CCustomer(string, string, string, string);//Parameterized constructor
CCustomer(CCustomer& [Wink] ;//Copy constructor
void input();//Function to get inputs
void output();//Function to get outputs
void display();//To display the info of a customer
string getCard_number();//Accessor
void setCard_number (string Card_Num);//Mutator
};

#ifndef MYFILE_H
#define MYFILE_H

// ... code here

#endif

class CCustomer
{
private:
string Card_number;
public:
string first_name;
string last_name;
string customer_ID;
CCustomer();//Default constructor
CCustomer(string, string, string, string);//Parameterized constructor
CCustomer(CCustomer&;//Copy constructor
void input();//Function to get inputs
void output();//Function to get outputs
void display();//To display the info of a customer
string getCard_number();//Accessor
void setCard_number (string Card_Num);//Mutator
};

T.RATHA KRISHNAN wrote:

When I run the application, the application window opens and closes in a sudden

T.RATHA KRISHNAN wrote:

What to do?

T.RATHA KRISHNAN wrote:

When I run the application, the application window opens and closes in a sudden. It displays the following message in the output window