C / C++ / MFC

class A<br />
{<br />
double x;<br />
double y;<br />
double speed;<br />
double z;<br />
int something1;<br />
char something2;<br />
};

main()<br />
{<br />
A objectA;<br />
//take input from the user<br />
cin>>objectA.x;<br />
cin>>objectA.y;<br />
cin>>objectA.z; //and so on<br />
<br />
ofstream outfile ("c:\\test.txt", ios::binary);<br />
outfile.write ((char*)objectA, sizeof(objectA)); //this line writes the complete objectA(field by field) into the file test.txt. Remember, the file contents are now binary. So u may see many strange character when you open test.txt in a notepad.<br />
}

main()<br />
{<br />
A objectB;<br />
ifstream infile ("c:\\test.txt", ios::binary);<br />
infile.read ((char*)objectB, sizeof(objectB)); //after reading from the file objectB now contains the complete info of one class.<br />
//DISPLAY the read results<br />
cout<<objectA.x;<br />
cout<<objectA.y;<br />
cout<<objectA.z;//and so on<br />
}

"The pointy end goes in the other man." - Antonio Banderas (Zorro, 1998)

"The pointy end goes in the other man." - Antonio Banderas (Zorro, 1998)

"The pointy end goes in the other man." - Antonio Banderas (Zorro, 1998)

  <br />
static int i=0; //make it preferably GLOBAL<br />
  OnWmPaint()<br />
  {<br />
     if(i==0)<br />
       {<br />
          //THIS WILL EXECUTE ONLY ONCE _____(LINE1)<br />
         i++;<br />
       }<br />
     else<br />
       {<br />
          //REST OF THE CODE<br />
       }<br />
  }

"The pointy end goes in the other man." - Antonio Banderas (Zorro, 1998)