' Read a ServiceDescription from existing WSDL.
Dim myServiceDescription As ServiceDescription = _
   ServiceDescription.Read("Input.vb.wsdl")
myServiceDescription.TargetNamespace = "http://tempuri.org/"

' Get the ServiceCollection of the ServiceDescription.
Dim myServiceCollection As ServiceCollection = _
   myServiceDescription.Services

' Remove the Service at index 0 of the collection.
myServiceCollection.Remove(myServiceDescription.Services.Item(0))

' Build a new Service.
Dim myService As New Service()
myService.Name = "MathService"
Dim myXmlQualifiedName As New XmlQualifiedName("s0:MathServiceSoap")

' Build a new Port for SOAP.
Dim mySoapPort As New Port()

mySoapPort.Name = "MathServiceSoap"

mySoapPort.Binding = myXmlQualifiedName

Dim mySoapAddressBinding As New SoapAddressBinding()
mySoapAddressBinding.Location = _
   "http://localhost/ServiceCollection_Item/AddSub.vb.asmx"
mySoapPort.Extensions.Add(mySoapAddressBinding)

' Build a new Port for HTTP-GET.
Dim myXmlQualifiedName2 As _
   New XmlQualifiedName("s0:MathServiceHttpGet")

Dim myHttpGetPort As New Port()
myHttpGetPort.Name = "MathServiceHttpGet"
myHttpGetPort.Binding = myXmlQualifiedName2
Dim myHttpAddressBinding As New HttpAddressBinding()
myHttpAddressBinding.Location = _
   "http://localhost/ServiceCollection_Item/AddSub.vb.asmx"
myHttpGetPort.Extensions.Add(myHttpAddressBinding)

' Add the ports to the service.
myService.Ports.Add(myHttpGetPort)
myService.Ports.Add(mySoapPort)

' Add the service to the ServiceCollection.
myServiceCollection.Add(myService)

' Write to a new WSDL file.
myServiceDescription.Write("output.wsdl")

Dim myFileStream As New FileStream("output.wsdl", _
   FileMode.OpenOrCreate, FileAccess.Write)
Dim myStreamWriter As New StreamWriter(myFileStream)

' Write the WSDL.
Console.WriteLine("Writing a new WSDL file.")
myServiceDescription.Write(myStreamWriter)
myStreamWriter.Close()
myFileStream.Close()