fstream problem [C++]

// test.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <vector>
#include <iostream>
#include <string>
#include <windows.h>
#include <fstream>
using namespace std;


int _tmain(int argc, _TCHAR* argv[])
{
	ifstream inFil;
    string filnamn;
	cout << "Enter filname" << endl; 
	cin >> filnamn;

	//Open file and read it byte by byte
	inFil.open(filnamn.c_str()); //Open file

	if(!inFil.is_open()) //is it a valid file?
	{
		cout << "Invalid filename" << endl; 
		return(1);
	}

	inFil.seekg(0, ios::end); //Go to end of file
	size_t fileSize = inFil.tellg(); //Get size of file from the current position
	inFil.seekg(0, ios::beg); //Go to start of file.

	vector<char> Bytes(fileSize, 0); //variable that stores the BMP in bytes
	inFil.read(&Bytes[0], fileSize); //Store the BMP
	if(inFil.fail()){cout << "Something went wrong!" << endl; return(1);}
	inFil.close(); //Close the file.
	Sleep(10000);
}