Managed C++/CLI

using namespace std;

int main()
{
ofstream file1; //declaring object for ofstream to write file
file1.open("country.doc");
if(file1.eof()!=0) {exit (1);}//error checking

file1<<"\nUnited States of America\n";
file1<<"United Kingdom\n";
file1<<"South Korea\n";

file1.close();//closing writing session
ofstream file11;
file11.open("capital.doc");//opening anthother file
if(file11.eof()!=0) {exit (1);}//error checking

file11<<"\nWashington\n";
file11<<"London\n";
file11<<"Seoul\n";

file11.close();//file closing from writing
const int N=80;
char line[N];

ifstream file2;//set object for ifstream class
file2.open("country.doc");//openign file
if(file2.eof()!=0) {exit (1);}//error checking
cout<<"\nContents of Country file\n";
while(file2)
{
file2.getline(line,N);
cout<<line;
}
file2.close();//file closing froom reading
ifstream file22;//set object for ifstream class
file22.open("capital.doc");//opening other file to read
if(file22.eof()!=0) {cout<<"ERROR WHILE FILE OPENIG";getch();return (1);}//error checking

cout<<"\nContents of Capital file\n";

while(file22)
{
file22.getline(line,N);
cout<<line;
}
system("pause");
file22.close();//closing

return 0;
} 

file2.open("c:/cnu/country.doc");
while(file2)
{
   ...
}
file2.close();

file2.clear();   // clear all error flags

file2.open("c:/cnu/capital.doc");
while(file2)
{
   ...
}
file2.close();

<font color=green>//Displays the binary representation of an integer passed as parameter</font>
<font color=blue>void</font> ShowBits(<font color=blue>int</font> iData) {
    std::string strResult(<font color=gray>""</font>);
    <font color=blue>int</font> iNbBits = <font color=blue>sizeof</font>(iData) * 8;
    <font color=blue>for</font> (<font color=blue>int</font> i = 0; i < iNbBits; i++) {
        <font color=green>//Adds the character (1 or 0) at the beginning of the string</font>
        strResult = std::string( (<font color=blue>char</font>)(((iData >> i) & 0x00000001) + <font color=gray>'0'</font>) ) +
                    strResult;
    }
    std::cout << strResult;
}