' Visual Basic 2008 9.0 .NET Examples - Extension Methods - New in Visual Basic 2008 - 9.0 : 
Public Interface SomeInterface
    Sub SomeFirstMethod()
End Interface
Public Module SomeInterfaceExtension
    <System.Runtime.CompilerServices.Extension()> _
    Public Sub SomeSecondMethod(ByVal aSomeInterface As SomeInterface)
        Console.WriteLine("SomeInterface.SomeSecondMethod() implementation.")
    End Sub
End Module
Public Class SomeClass : Implements SomeInterface
    Public Sub SomeFirstMethod() Implements SomeInterface.SomeFirstMethod
        Console.WriteLine("SomeClass.SomeFirstMethod() implementation.")
    End Sub
End Class
Public Class Example3
    Public Shared Sub Main()
        Dim object1 As New SomeClass
        object1.SomeFirstMethod()
        object1.SomeSecondMethod()
        '
        Console.ReadLine()
    End Sub
End Class
' Visit www.studyvb.com for more examples.  Copyright 2003-2008 De Wolf.