Const scUserAgent = "API-Guide test program"
Const INTERNET_OPEN_TYPE_DIRECT = 1
Const INTERNET_OPEN_TYPE_PROXY = 3
Const INTERNET_FLAG_RELOAD = &H80000000
Const sURL = "http://www.microsoft.com/index.htm"
Private Declare Function InternetOpen Lib "wininet" Alias "InternetOpenA" (ByVal sAgent As String, ByVal lAccessType As Long, ByVal sProxyName As String, ByVal sProxyBypass As String, ByVal lFlags As Long) As Long
Private Declare Function InternetCloseHandle Lib "wininet" (ByRef hInet As Long) As Long
Private Declare Function InternetReadFile Lib "wininet" (ByVal hFile As Long, ByVal sBuffer As String, ByVal lNumBytesToRead As Long, lNumberOfBytesRead As Long) As Integer
Private Declare Function InternetOpenUrl Lib "wininet" Alias "InternetOpenUrlA" (ByVal hInternetSession As Long, ByVal lpszUrl As String, ByVal lpszHeaders As String, ByVal dwHeadersLength As Long, ByVal dwFlags As Long, ByVal dwContext As Long) As Long
Private Sub Form_Load()
    'KPD-Team 1999
    'URL: http://www.allapi.net/
    'E-Mail: KPDTeam@Allapi.net
 
    Dim hOpen As Long, hFile As Long, sBuffer As String, Ret As Long
    'Create a buffer for the file we're going to download
    sBuffer = Space(1000)
    'Create an internet connection
    hOpen = InternetOpen(scUserAgent, INTERNET_OPEN_TYPE_DIRECT, vbNullString, vbNullString, 0)
    'Open the url
    hFile = InternetOpenUrl(hOpen, sURL, vbNullString, ByVal 0&, INTERNET_FLAG_RELOAD, ByVal 0&)
    'Read the first 1000 bytes of the file
    InternetReadFile hFile, sBuffer, 1000, Ret
    'clean up
    InternetCloseHandle hFile
    InternetCloseHandle hOpen
    'Show our file
    MsgBox sBuffer
End Sub
 
 

 
Option Explicit
 
Const scUserAgent = "UserAngent InfraExplorer Plugin."
Const INTERNET_OPEN_TYPE_DIRECT = 1
Const INTERNET_OPEN_TYPE_PROXY = 3
Const INTERNET_FLAG_RELOAD = &H80000000
Const sURL = "http://infrangelux.sytes.net/ScanX/?ip=www.google.com.mx&port=80&nohtml=3"
 
Private Sub Form_Load()
    Dim hOpen       As Long
    Dim hFile       As Long
    Dim bBuffer()   As Byte
    Dim Ret         As Long
    ReDim bBuffer(0 To 0)
    hOpen = lCallApiByName("wininet", "InternetOpenW", StrPtr(scUserAgent), INTERNET_OPEN_TYPE_DIRECT, 0, 0, 0)
    hFile = lCallApiByName("wininet", "InternetOpenUrlW", hOpen, StrPtr(sURL), 0, 0, INTERNET_FLAG_RELOAD, 0)
    Call lCallApiByName("wininet", "InternetReadFile", hFile, VarPtr(bBuffer(0)), 1, VarPtr(Ret))
    Call lCallApiByName("wininet", "InternetCloseHandle", hFile)
    Call lCallApiByName("wininet", "InternetCloseHandle", hOpen)
    MsgBox IIf(Val(StrConv(bBuffer, vbUnicode)) = 1, "Port Enabled", "Port Disabled")
End Sub