Internet Transfer Control in VB6

Using the OpenURL Method to Retrieve an HTML Page

Uses the internet transfer control with HTTP to create an HTML page.

 Dim objInet as Inet
 
 Private Sub Form_Load()
    ' Set a reference to the internet transfer control.
    Set objInet = Me!axInetTran.Object
 End Sub
 
 Private Sub cmdWriteFile_Click()
    Dim b() as Byte
 
    ' Set the internet transfer control protocol and URL.
    objInet.Protocol = icHTTP
    objInet.URL = "HTTP://www.microsoft.com"
 
    ' Retrieve the HTML data into a byte array.
    b() = objInet.OpenURL(objInet.URL,icByteArray)
 
    ' Create a local file from the retrieved data.
    Open "C:\Homepage.htm" For Binary Access Write As #1
    Put #1, , b()
    Close #1
 
    MsgBox "Done"
 End Sub
 
 Private Sub cmdGetHeader_Click()
    ' Set the internet transfer control protocol and URL.
    objInet.Protocol = icHTTP
    objInet.URL = "HTTP://www.microsoft.com"
 
    ' Open the HTML and display the header information.
    objInet.openURL objInet.URL, icByteArray
    MsgBox objInet.GetHeader
 End Sub

 

FTP Files Using the Internet Transfer Control

You can easily FTP files between a client and host computer.

Port	Service
21	File Transfer Protocol (FTP)
25	Simple Mail Transfer Protocol (SMTP)
79	Finger
80	Hypertext Transfer Protocol (HTTP)
443	Secure Hypertext Transfer Protocol (HTTPS)
666	DOOM multiplayer game port