C / C++ / MFC

Ratul Thakur wrote:

okay im done with my C++ book and know each bit of what it has.

Ratul Thakur wrote:

what do i need to do..?? what might be good ways to gain more experience?? what i can do next to increase my programming experience??

ModifyStyle(0, SS_OWNERDRAW);   // WRONG for Static text ... won't work 
ModifyStyle(SS_TYPEMASK, SS_OWNERDRAW); // Correct 

Fossi Bluman wrote:

...it throws an exceptions at run time...

n=fread (buf,sizeof (buf),size,fp);
printf ("\n%02x %lu bytes read",buf[15],size);

DavidCrow wrote:

Among other things, size is the number of bytes to read, whereas n is the number of bytes actually read.

size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream);

FILE *f;
struct mystruct foo[10];
size_t n;
n = fread(foo, sizeof(struct mystruct), 10, f);

//******************************************
// reading an entire binary file the c++ way

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

int main (){

  streampos size;
  char * memblock;
  cout<<" \n\n";

  // open file as binary
  ifstream file ("myfile.bin", ios::in|ios::binary|ios::ate);
  if ( file.is_open() ){

    // get file size
    size = file.tellg();

    // alloocate appropiate file size + 1 for '\0'
    memblock = new char [size+1];

    // go to begining of file
    file.seekg (0, ios::beg);

    // read entire file into ram memory
    file.read (memblock, size);
    file.close();

    // display size of file
    cout << "the entire file content of "<< size <<" bytes is in memory  \n\n\n";
 
    // release memory
    delete[] memblock;
  }
  else cout << "Unable to open file\n\n";

    
cout<<"Press ANY key to close.\n\n";
cin.ignore(); cin.get();
return 0;
}