'Visual Basic 2010 Properties Object Oriented Programming
Namespace PropertyExample
    Class Person
        Private m_Name As String
        Public Property Name() As String
            Get                                                            ' (1)
                Name = m_Name
            End Get
            Set(ByVal value As String)                                     ' (2)
                m_Name = value
            End Set
        End Property
    End Class
    Module Client
        Sub Main()
            Dim person1 As Person = New Person
            person1.Name = "John"                                          ' (3)
            Console.WriteLine(person1.Name)                                ' (4)
            '
            Console.ReadLine()
        End Sub
    End Module
End Namespace
Namespace SetProcedureAndGetFunctionInsteadOfPropertyExample
    Class Person
        Private m_Name As String
        Public Sub SetName(ByVal value As String)
            m_Name = value
        End Sub
        Public Function GetName() As String
            GetName = m_Name
        End Function
    End Class
    Module Client
        Sub Main()
            Dim person1 As Person = New Person
            person1.SetName("John")
            Console.WriteLine(person1.GetName())
            '
            Console.ReadLine()
        End Sub
    End Module
End Namespace
Namespace PublicFieldInsteadOfPropertyExample
    Class Book
        Public Title As String
    End Class
    Module Client
        Sub Main()
            Dim book1 As Book = New Book
            book1.Title = "Some Title"
            Console.Write(book1.Title)
            '
            Console.ReadLine()
        End Sub
    End Module
End Namespace
Namespace PrivateSetterExample
    Class Counter
        Private m_Value As Integer
        Public Property Value() As Integer
            Get
                Value = m_Value
            End Get
            Private Set(ByVal value As Integer)                            ' (1)
                m_Value = value
            End Set
        End Property
        Public Sub Raise()
            Value = Value + 1                                              ' (2)
        End Sub
    End Class
End Namespace
Namespace PrivateSetterExample
    Module Client
        Sub Main()
            Dim counter1 As Counter = New Counter
            Console.WriteLine(counter1.Value)
            '
            counter1.Raise()
            Console.WriteLine(counter1.Value)
            '
            counter1.Raise()
            Console.WriteLine(counter1.Value)
            '
            'counter1.Value = 5            ' impossible, no available setter (3)
            '
            Console.ReadLine()
        End Sub
    End Module
End Namespace
'Bezoek www.vbvoorbeelden.be voor meer Visual Basic voorbeelden.
'Copyright - De Wolf / vbvoorbeelden - 2003-2011 - Alle rechten voorbehouden.