' Visual Basic 2008 9.0 .NET Examples - Properties - Object Oriented Programming : Namespace Example1 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 Example2 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 Example3 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 Example3 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 Namespace Example4 Class Product Private m_Price As Decimal Public Property Price() As Decimal Get Price = m_Price End Get Set(ByVal value As Decimal) m_Price = value End Set End Property Private m_TaxPercentage As Decimal Public Property TaxPercentage() As Decimal Get TaxPercentage = m_TaxPercentage End Get Set(ByVal value As Decimal) m_TaxPercentage = value End Set End Property Public ReadOnly Property PriceIncludingTax() As Decimal Get PriceIncludingTax = Price * (1 + (TaxPercentage / 100)) End Get End Property End Class Module Client Sub Main() Dim product1 As Product = New Product product1.Price = 100 product1.TaxPercentage = 8 'product1.PriceIncludingTax = 108 ' impossible ( ReadOnly Property ) Console.WriteLine(product1.PriceIncludingTax) ' Console.ReadLine() End Sub End Module End Namespace Namespace Example5 Class Product Private m_Price As Decimal Public Property Price() As Decimal Get Price = m_Price End Get Set(ByVal value As Decimal) m_Price = value End Set End Property Private m_TaxPercentage As Decimal Public Property TaxPercentage() As Decimal Get TaxPercentage = m_TaxPercentage End Get Set(ByVal value As Decimal) m_TaxPercentage = value End Set End Property Public Function GetPriceIncludingTax() As Decimal GetPriceIncludingTax = Price * (1 + (TaxPercentage / 100)) End Function End Class Module Client Sub Main() Dim product1 As Product = New Product product1.Price = 100 product1.TaxPercentage = 8 'product1.GetPriceIncludingTax = 108 ' impossible ( Function ) Console.WriteLine(product1.GetPriceIncludingTax()) ' Console.ReadLine() End Sub End Module End Namespace ' Visit www.studyvb.com for more examples. Copyright 2003-2008 De Wolf.