VB.Net/Network Remote/Remote Factories

Acquire Remote Object from Remote Object Factory

///////////////////////////////////general.vb
// Compile: vbc /target:library  general.vb
Imports System
Public Interface IRemoteObject
    Sub setValue(ByVal newval As Integer)
    Function getValue() As Integer
End Interface
Public Interface IRemoteFactory
    Overloads Function getNewInstance() As IRemoteObject
    Overloads Function getNewInstance(ByVal initvalue As Integer) As IRemoteObject
End Interface

Public Class MyRemoteObject
    Inherits MarshalByRefObject
    Implements IRemoteObject
    Private myvalue As Integer
    Public Sub New()
    End Sub "New
    Public Sub New(ByVal startvalue As Integer)
        myvalue = startvalue
    End Sub
    Public Sub setValue(ByVal newval As Integer) _
    Implements IRemoteObject.setValue
        myvalue = newval
    End Sub
    Public Function getValue() As Integer _
    Implements IRemoteObject.getValue
        Return myvalue
    End Function
End Class
Public Class MyRemoteFactory
    Inherits MarshalByRefObject
    Implements IRemoteFactory
    Public Sub New()
    End Sub
    Public Function getNewInstance() As IRemoteObject _
    Implements IRemoteFactory.getNewInstance
        Return New MyRemoteObject()
    End Function
    Public Function getNewInstance(ByVal initvalue As Integer) As IRemoteObject _
    Implements IRemoteFactory.getNewInstance
        Return New MyRemoteObject(initvalue)
    End Function

End Class
///////////////////////////////////test.vb
// Compile: vbc /t:exe /r:general.dll test.vb
Imports System
Imports System.Runtime.Remoting
Imports System.Runtime.Remoting.Channels.Http
Imports System.Runtime.Remoting.Channels
Module Client
    Sub Main()
        Dim channel As New HttpChannel()
        ChannelServices.RegisterChannel(channel,false)
        Console.WriteLine("Client.Main(): Creating factory")
        Dim fact As IRemoteFactory = CType(Activator.GetObject( _
            GetType(IRemoteFactory), _
            "http://localhost:1234/factory.soap"), _
            IRemoteFactory)
        Console.WriteLine("Client.Main(): Acquiring first object from factory")
        Dim obj1 As IRemoteObject = fact.getNewInstance()
        obj1.setValue(42)
        Console.WriteLine("Client.Main(): Acquiring second object from factory")
        Dim obj2 As IRemoteObject = fact.getNewInstance(47)
        Console.WriteLine("Obj1.getValue(): {0}", obj1.getValue())
        Console.WriteLine("Obj2.getValue(): {0}", obj2.getValue())
        Console.ReadLine()
    End Sub
End Module
///////////////////////////////////server.vb
// vbc /target:exe  /r:general.dll server.vb
Imports System
Imports System.Runtime.Remoting
Imports System.Runtime.Remoting.Channels.Http
Imports System.Runtime.Remoting.Channels


Module ServerStartup
    Sub Main()
        Dim chnl As New HttpChannel(1234)
        ChannelServices.RegisterChannel(chnl,false)
        RemotingConfiguration.RegisterWellKnownServiceType( _
            GetType(MyRemoteFactory), _
            "factory.soap", _
            WellKnownObjectMode.Singleton)
        Console.WriteLine("ServerStartup.Main(): Server started")
        
        Console.ReadLine()
    End Sub
End Module