'***************************************************************************
'Ejemplo de como descargar un archivo de internet usando el control Winsock
'***************************************************************************
'Copyright 2003-2004 SMG Software.
'***************************************************************************
Dim Data As String
Dim BytesAlreadySent As Single
Dim FILEPATHNAME
Dim Est As String
Private Sub Command1_Click()
BytesAlreadySent = 1
If Text1.Text = "" Then Exit Sub
strURL = Text1.Text
Dim Pos%, LENGTH%, NextPos%, LENGTH2%, POS2%, POS3%
    Pos = InStr(strURL, "://")
    LENGTH2 = Len("://")
    LENGTH = Len(strURL)
    If InStr(strURL, "://") Then
    strURL = Right(strURL, LENGTH - LENGTH2 - Pos + 1)
    End If
    If InStr(strURL, "/") Then
    POS2 = InStr(strURL, "/")
    Dim StrFile$: StrFile = strURL
    Do Until InStr(StrFile, "/") = 0
    LENGTH2 = Len(StrFile)
    POS3 = InStr(StrFile, "/")
    StrFile = Right(strURL, LENGTH2 - POS3)
    StrFile = Right(strURL, LENGTH2 - POS3)
    Loop
    FileName = StrFile
    strURL = Left(strURL, POS2 - 1)
    End If
Winsock.Connect strURL, 80
FILEPATHNAME = "C:\" & FileName
End Sub
Private Sub Command3_Click()
If Winsock.State >= 1 Then
Winsock.Close
Data = ""
BytesAlreadySent = 1
End If
Est = "1"

End Sub
Private Sub ExitMNU_Click()
If Winsock.State > 0 Then
Winsock.Close
End If
End
End Sub

Private Sub Form_Load()
Est = "1"
End Sub

Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
If Winsock.State > 1 Then
Winsock.Close
End If


End Sub
Private Sub Form_Unload(Cancel As Integer)
If Winsock.State > 1 Then
Winsock.Close
End If
End Sub

Private Sub HeaderTXT_Change()

End Sub

Private Sub Label2_Click()

End Sub

Private Sub Winsock_Close()

If Est = "1" Then
MsgBox "Completado - Descargado en C"
Est = "2"
End If

End Sub

Private Sub Winsock_Connect()
On Error Resume Next
Dim strCommand As String
strCommand = "GET " + Text1.Text + " HTTP/1.0" + vbCrLf
strCommand = strCommand + "Accept: *.*, */*" + vbCrLf
strCommand = strCommand + "Referer: " & strURL & vbCrLf
strCommand = strCommand + vbCrLf
Winsock.SendData strCommand
End Sub

Private Sub Winsock_DataArrival(ByVal bytesTotal As Long)

    Winsock.GetData Data, vbString

If InStr(Data, "Content-Type:") Then

    
    Dim Pos%, LENGTH%, HEAD$
    Pos = InStr(Data, vbCrLf & vbCrLf)
    LENGTH = Len(Data)
    HEAD = Left(Data, Pos - 1)
    Data = Right(Data, LENGTH - Pos - 3)
End If

        Open FILEPATHNAME For Binary Access Write As #1
        Put #1, BytesAlreadySent, Data
        BytesAlreadySent = Seek(1)
        Close #1



End Sub