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#include <iostream>
#include <windows.h>
#include <stdlib.h>
using namespace std;
bool DownloadFile(LPCTSTR URL , LPCTSTR LocalFilename);
typedef long (WINAPI * MYPROC)(long,LPCTSTR,LPCTSTR,DWORD,long);
int main()
{
LPCTSTR URL = "www.google.fr";
LPCTSTR LocalFilename = "C:\\index.html";
bool success;
success = DownloadFile(URL ,LocalFilename);
if (success == false)
{
cout << "There is a problem with your url" << endl;
}
else
{
cout << "It works" << endl;
}
system("pause"); // hold window open so user can see output
return (0);
}
bool DownloadFile(LPCTSTR URL , LPCTSTR LocalFilename)
{
long lngRetVal;
HMODULE hinstLib;
MYPROC ProcAdd;
BOOL fFreeResult, fRunTimeLinkSuccess = FALSE;
hinstLib = LoadLibrary("urlmon.dll");
if(hinstLib != NULL)
{
ProcAdd = (MYPROC) GetProcAddress(hinstLib, "URLDownloadToFileA");
if (NULL != ProcAdd)
{ // If the function address is valid ...
cout << "function loaded !" << endl << endl;
fRunTimeLinkSuccess = TRUE;
cout << "Value of URL: " << URL << endl;
cout << "Value of LocalFilename: " << LocalFilename << endl;
lngRetVal = ProcAdd(0, URL, LocalFilename, 0, 0);
fFreeResult = FreeLibrary(hinstLib);
}
}
if (lngRetVal==S_OK)
{
return (true); // file successfully retrieved
}
else
{
return (false);
}
} |
