Mega Code Archive
Define and use Interface
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Imports System
Public Class MainClass
Shared Sub Main(ByVal args As String())
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 'New
' implement the Read method
Public Sub Read( ) Implements IStorable.Read
Console.WriteLine("Implementing the Read Method for IStorable")
End Sub 'Read
' implement the Write method
Public Sub Write(ByVal o As Object) Implements IStorable.Write
Console.WriteLine( _
"Implementing the Write Method for IStorable")
End Sub 'Write
' implement the property
Public Property Status( ) As Integer Implements IStorable.Status
Get
Return myStatus
End Get
Set(ByVal Value As Integer)
myStatus = Value
End Set
End Property
' store the value for the property
Private myStatus As Integer = 0
End Class 'Document
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