WebGet
From HashVB
Example usages:
' Downloads to App.Path & "\" [Remote Filename]
WebGetBinary "http://www.google.com/intl/en/images/logo.gif"
' Downloads to "C:\a.gif"
WebGetBinary "http://www.google.com/intl/en/images/logo.gif", "C:\a.gif"
' Retrieves HTML and outputs to a string
sHTML = WebGetHTML("http://www.google.com")
Put the following code in a module.
Option Explicit
Public Declare Function InternetOpen Lib "wininet.dll" Alias "InternetOpenA" (ByVal sAgent As String, ByVal lAccessType As Long, ByVal sProxyName As String, ByVal sProxyBypass As String, ByVal lFlags As Long) As Long
Public Declare Function InternetOpenUrl Lib "wininet.dll" Alias "InternetOpenUrlA" (ByVal hInternetSession As Long, ByVal sURL As String, ByVal sHeaders As String, ByVal lHeadersLength As Long, ByVal lFlags As Long, ByVal lContext As Long) As Long
Public Declare Function InternetReadFileString Lib "wininet.dll" Alias "InternetReadFile" (ByVal hFile As Long, ByVal Buffer As String, ByVal lNumBytesToRead As Long, lNumberOfBytesRead As Long) As Integer
Public Declare Function InternetReadFile Lib "wininet.dll" (ByVal hFile As Long, ByRef pBuffer As Byte, ByVal lNumBytesToRead As Long, lNumberOfBytesRead As Long) As Integer
Public Declare Function InternetCloseHandle Lib "wininet.dll" (ByVal hInet As Long) As Integer
Public Const IF_FROM_CACHE = &H1000000
Public Const IF_MAKE_PERSISTENT = &H2000000
Public Const IF_NO_CACHE_WRITE = &H4000000
Private Const BUFFER_LEN = 256
Public Function WebGetHTML(sURL As String) As String
Dim sBuffer As String * BUFFER_LEN, iResult As Integer, sData As String
Dim hInternet As Long, hSession As Long, lReturn As Long
hSession = InternetOpen("vb wininet", 1, vbNullString, vbNullString, 0)
If hSession Then hInternet = InternetOpenUrl(hSession, sURL, vbNullString, 0, IF_NO_CACHE_WRITE, 0)
If hInternet Then
DoEvents
iResult = InternetReadFileString(hInternet, sBuffer, BUFFER_LEN, lReturn)
sData = sBuffer
Do While lReturn <> 0
DoEvents
iResult = InternetReadFileString(hInternet, sBuffer, BUFFER_LEN, lReturn)
sData = sData + Mid(sBuffer, 1, lReturn)
Loop
End If
iResult = InternetCloseHandle(hInternet)
WebGetHTML = sData
End Function
Public Sub WebGetBinary(sURL As String, Optional sFile As String)
Dim bBuffer() As Byte, iResult As Integer
Dim hInternet As Long, hSession As Long, lReturn As Long
Dim iFile As Integer
hSession = InternetOpen("vb wininet", 1, vbNullString, vbNullString, 0)
If hSession Then hInternet = InternetOpenUrl(hSession, sURL, vbNullString, 0, IF_NO_CACHE_WRITE, 0)
If hInternet Then
If sFile = "" Then sFile = Mid(sURL, InStrRev(sURL, "/") + 1)
iFile = FreeFile
Open sFile For Binary Access Write As #iFile
DoEvents
ReDim bBuffer(0 To BUFFER_LEN - 1)
iResult = InternetReadFile(hInternet, bBuffer(0), BUFFER_LEN, lReturn)
Put #iFile, , bBuffer
Do While lReturn <> 0
DoEvents
ReDim bBuffer(0 To BUFFER_LEN - 1)
iResult = InternetReadFile(hInternet, bBuffer(0), BUFFER_LEN, lReturn)
If lReturn > 0 Then
ReDim Preserve bBuffer(0 To lReturn - 1)
Put #iFile, , bBuffer
End If
Loop
Close #iFile
End If
iResult = InternetCloseHandle(hInternet)
End Sub