C / C++ / MFC

#include <iostream><br />
#include <fstream><br />
#include <string><br />
using namespace std;<br />
<br />
// Purpose:   Write to text file<br />
<br />
int main(int argc, char * argv[]) {<br />
    string OutFile;<br />
    fstream OutStream;<br />
<br />
    cout << "Please enter output file name: " ;<br />
    cin >> OutFile;<br />
<br />
    OutStream.open(OutFile.c_str(), ios::out | ios::trunc);<br />
<br />
// make sure file is successfully opened<br />
    if(!OutStream) {<br />
        cout << "Error open file " << OutFile << " for writing\n";<br />
        return 1;<br />
    }<br />
<br />
// Write the following two lines to file<br />
    OutStream<<"It is easier to resist at the beginning than at the end.\n";<br />
    OutStream <<"                 -- Leonardo da Vinci" << endl;<br />
<br />
    OutStream.close();                            // close output stream<br />
    cout << "Content written to " << OutFile <<".\n";<br />
    return 0;<br />
}

c:\C_Example\DiagnosticsDlg.cpp(177): error C2039: '_open' : is not a member of 'std::basic_ofstream<_Elem,_Traits>'
with [ _Elem=char, _Traits=std::char_traits<char> ]
c:\C_Example\DiagnosticsDlg.cpp(177): error C2039: 'truc' : is not a member of 'std::basic_ios<_Elem,_Traits>' with [_Elem=char, _Traits=std::char_traits<char>]