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VB.NET UWP/WinRT Examples

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(VB.NET UWP/WinRT) SOAP with MTOM XOP 8bit (binary) Attachment

Demonstrates how to send the following sample SOAP request with an MTOM/XOP attachment:

Content-Type: Multipart/Related; start-info="text/xml"; type="application/xop+xml"; boundary="----=_Part_0_1744155.1118953559416"
Content-Length: 3453
SOAPAction: "some-SOAP-action"

------=_Part_1_4558657.1118953559446
Content-Type: application/xop+xml; type="text/xml"; charset=utf-8

<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <Detail xmlns="http://example.org/mtom/data">
      <image>
        <xop:Include xmlns:xop="http://www.w3.org/2004/08/xop/include" href="cid:5aeaa450-17f0-4484-b845-a8480c363444@example.org" />
      </image>
    </Detail>
  </soap:Body>
</soap:Envelope>

------=_Part_1_4558657.1118953559446
Content-Type: image/jpeg
Content-ID: _LT_5aeaa450-17f0-4484-b845-a8480c363444@example.org_GT_
Content-Disposition: 8bit

... binary data ...

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

Dim http As New Chilkat.Http

Dim success As Boolean

'  Any string unlocks the component for the 1st 30-days.
success = http.UnlockComponent("Anything for 30-day trial")
If (success <> True) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim soapXml As New Chilkat.Xml

soapXml.Tag = "soap:Envelope"
success = soapXml.AddAttribute("xmlns:soap","http://schemas.xmlsoap.org/soap/envelope/")

soapXml.NewChild2("soap:Body","")
success = soapXml.GetChild2(0)

soapXml.NewChild2("Detail","")
success = soapXml.GetChild2(0)
success = soapXml.AddAttribute("xmlns","http://example.org/mtom/data")

soapXml.NewChild2("image","")
success = soapXml.GetChild2(0)

soapXml.NewChild2("xop:Include","")
success = soapXml.GetChild2(0)
success = soapXml.AddAttribute("xmlns:xop","http://www.w3.org/2004/08/xop/include")
success = soapXml.AddAttribute("href","cid:5aeaa450-17f0-4484-b845-a8480c363444@example.org")

soapXml.GetRoot2()
soapXml.EmitXmlDecl = False

Dim xmlBody As String = soapXml.GetXml()
Debug.WriteLine(xmlBody)

Dim req As New Chilkat.HttpRequest
req.HttpVerb = "POST"
req.Path = "/something/someTarget"

req.ContentType = "multipart/related; start-info=""text/xml""; type=""application/xop+xml"""
req.AddHeader("SOAPAction","some-SOAP-action")

success = req.AddStringForUpload2("","",xmlBody,"utf-8","application/xop+xml; type=""text/xml""; charset=utf-8")

'  The bytes will be sent as binary (not base64 encoded).
success = req.AddFileForUpload2("","qa_data/jpg/starfish.jpg","image/jpeg")

'  The JPEG data is the 2nd sub-part, and therefore is at index 1 (the first sub-part is at index 0)
success = req.AddSubHeader(1,"Content-ID","<5aeaa450-17f0-4484-b845-a8480c363444@example.org>")

'  Add the Content-Disposition: 8bit sub-header
success = req.AddSubHeader(1,"Content-Disposition","8bit")

http.FollowRedirects = True

'  For debugging, set the SessionLogFilename property
'  to see the exact HTTP request and response in a log file.
'  (Given that the request contains binary data, you'll need an editor
'  that can gracefully view text + binary data.  I use EmEditor for most simple editing tasks..)
http.SessionLogFilename = "qa_output/mtom_sessionLog.txt"

Dim resp As Chilkat.HttpResponse
Dim useTls As Boolean = True
'  Note: Please don't run this example without changing the domain to your own domain...
resp = Await http.SynchronousRequestAsync("www.example.org",443,useTls,req)
If (resp Is Nothing ) Then
    Debug.WriteLine(http.LastErrorText)
Else
    Dim xmlResponse As New Chilkat.Xml
    success = xmlResponse.LoadXml(resp.BodyStr)
    Debug.WriteLine(xmlResponse.GetXml())

End If


 

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