C / C++ / MFC

Christian Graus wrote:

I would recommend using C++ for file handling.

#include <fstream>
#include <complex>
using namespace std;
 
int main(int argc, char* argv[])
{
     ofstream fs("C:\\out.txt");
 
     fs << 1 << endl;
     fs << "Hello" << endl;
 
     complex<int> ComplexNumber(1,2);
     fs << "This is a complex number: " << ComplexNumber << endl;
 
     return 0;
}

#include <iostream>
#include <string>
using namespace std;
 
// My type
struct MyData
{
     MyData(const char* pName, int Age): m_Name(pName), m_Age(Age) {}
     string m_Name;
     int m_Age;
};
 
ostream& operator<<(ostream& stm, const MyData& data)
{
     stm << "Name: " << data.m_Name << " (" << data.m_Age << ")";
     return stm;
}
 
int main(int argc, char* argv[])
{
     MyData Person("Bob", 20);
     cout << Person << endl;
 
     return 0;
}

JerryMcguire wrote:

I get the 2872: 'IServiceProvider' : ambiguous symbol

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

suchuhui wrote:

but no serial-number is given in the structure

suchuhui wrote:

fond out that DiskId is the most suitable one apart from commercial library.

suchuhui wrote:

but no serial-number is given in the structure

suchuhui wrote:

fond out that DiskId is the most suitable one apart from commercial library.

#include <iostream>
#include <fstream>
#include <string>
 
using namespace std;
 
int main(int argc, char* argv[])
{
    int row = 0;
    int col = 0;
 
    do
    {
        cout << "Enter line number ";
        cin >> row;
        cout << "Enter column number ";
        cin >> col;
 
        if (row < 1 || col < 1)
            return 0;
 
        ifstream ifs(argv[1]);
 
        string str;
        int x = 1;
        for (x = 1; x <= row && !ifs.eof(); ++x)
            ifs >> str;
 
        if (ifs.eof())
            cout << "Invalid line" << endl;
        else if (col > str.length())
            cout << "Invalid column" << endl;
        else
            cout << str.c_str()[col - 1] << endl;
        ifs.close();
    } while (1);
}

PJ Arends wrote:

ifs >> str;

Kixdemp wrote:

I don't want to use C++ style

Kixdemp wrote:

Is that suppossed to get a line?

PJ Arends wrote:

Kixdemp wrote:
I don't want to use C++ style



In your original post you asked for standard C++, so that is what I gave you.