MFC开发IM-显示网络图片

#include "resource.h"

#include "stdafx.h"

#include<windows.h>   

#include<wininet.h>   

  

#pragma   comment(lib,"wininet.lib")   

#pragma   comment(lib,"kernel32.lib")   

void    Entry();

int  APIENTRY WinMain( HINSTANCE  hInstance,

                      HINSTANCE  hPrevInstance,

                      LPSTR      lpCmdLine,

                      int        nCmdShow)

{

  

int  ret=URLDownloadToFile(NULL, "http://www.google.cn/intl/zh-CN/images/logo_cn.gif" ,

                           "c:\\logo.gif" ,0,NULL); 

 

 

if  (ret==S_OK)  //如果下载成功 

{

MessageBox(NULL,  "okok" ,  "OK" , MB_OK);

}

  

     Entry();

     return  0;

}

 

     

   void    Entry()   

   {   

       HINTERNET   hSession=InternetOpen(NULL,INTERNET_OPEN_TYPE_PRECONFIG,NULL,NULL,0);   

       HINTERNET   hConnection=InternetOpenUrl(hSession, "http://www.google.com" ,NULL,0,0,0);   

     

         BYTE    Buffer[4096];   

         DWORD    Read=0,i;   

        HANDLE    hFile=CreateFile( "c:\\index.htm" ,GENERIC_WRITE,0,NULL,CREATE_ALWAYS,0,NULL);   

         InternetReadFile(hConnection,Buffer, sizeof (Buffer),&Read);   

         while (Read!=0)   

         {   

              WriteFile(hFile,Buffer,Read,&i,NULL);   

              InternetReadFile(hConnection,Buffer, sizeof (Buffer),&Read);   

         }   

          CloseHandle(hFile);   

     

          InternetCloseHandle(hConnection);   

          InternetCloseHandle(hSession);   

   }