Implements an Interface

Imports System

Public Class MainClass
    
    Shared Sub Main()
        Dim doc As New Document("Test Document")
        doc.Status = -1
        doc.Read()
        Console.WriteLine("Document Status: {0}", doc.Status)
    End Sub
End Class

     Interface IStorable
         Sub Read()
         Sub Write(ByVal obj As Object)
         Property Status() As Integer
     End Interface 'IStorable

     Public Class Document
         Implements IStorable

         Public Sub New(ByVal s As String)
             Console.WriteLine("Creating document with: {0}", s)
         End Sub

         Public Sub Read() Implements IStorable.Read
             Console.WriteLine("Implementing the Read Method for IStorable")
         End Sub

         Public Sub Write(ByVal o As Object) Implements IStorable.Write
             Console.WriteLine( _
                "Implementing the Write Method for IStorable")
         End Sub

         Public Property Status() As Integer Implements IStorable.Status
             Get
                 Return myStatus
             End Get
             Set(ByVal Value As Integer)
                 myStatus = Value
             End Set
         End Property

         Private myStatus As Integer = 0

     End Class 'Document

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Implements an Interface : Interface « Class « VB.Net

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