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VB.NET UWP/WinRT Examples

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(VB.NET UWP/WinRT) REST through SOCKS Proxy

Demonstrates how to connect through a SOCKS proxy to make REST API calls.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

'  This example requires the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

'  This example connects to a REST server through a SOCKS proxy.
'  It will connect to the Amazon AWS service for this example.
Dim rest As New Chilkat.Rest
Dim socket As New Chilkat.Socket

'  Set the SOCKS proxy domain or IP address, port, and SOCKS version number (4 or 5)
socket.SocksHostname = "192.168.1.100"
socket.SocksPort = 1080
socket.SocksVersion = 5
'  Other properties exist for specifying a SOCKS proxy login and password,
'  but these are not used in this example.

'  Connect through the HTTP proxy to the Amazon AWS server for the S3 service.
Dim bTls As Boolean = True
Dim port As Integer = 443
Dim maxWaitMs As Integer = 5000
Dim success As Boolean = Await socket.ConnectAsync("s3.amazonaws.com",port,bTls,maxWaitMs)
If (success <> True) Then
    Debug.WriteLine("Connect Failure Error Code: " & socket.ConnectFailReason)
    Debug.WriteLine(socket.LastErrorText)
    Exit Sub
End If


'  Use the proxied TLS connection:
success = rest.UseConnection(socket,True)
If (success <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


'  Provide AWS credentials for the REST call.
Dim authAws As New Chilkat.AuthAws
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "AWS_SECRET_KEY"
authAws.ServiceName = "s3"
success = rest.SetAuthAws(authAws)

'  List all buckets for the account...
Dim responseXml As String = Await rest.FullRequestNoBodyAsync("GET","/")
If (rest.LastMethodSuccess <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


Dim xml As New Chilkat.Xml
success = xml.LoadXml(responseXml)

'  Show the full XML returned.
Debug.WriteLine(xml.GetXml())

'  Iterate over the buckets, showing each bucket name.
success = xml.FindChild2("Buckets")
If (xml.FirstChild2() = True) Then
    Debug.WriteLine(xml.GetChildContent("Name"))
    While (xml.NextSibling2() = True)
        Debug.WriteLine(xml.GetChildContent("Name"))
    End While
End If

'  Move the internal pointer back to the root node.
xml.GetRoot2()

 

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