Define and use Properties: ReadOnly
Imports System Imports System.Collections public class MainClass Shared Sub Main() Dim obj As New MyOwnClass("Firstobject") Dim x As Integer Console.WriteLine("This object is: " & obj.Name) Console.WriteLine("Other objects are: ") For x = 0 To MyOwnClass.OtherObjectCount - 1 If x <> obj.MyIndex Then Console.WriteLine(obj(x).Name) End If Next End Sub End Class Class MyOwnClass Implements IDisposable Private Shared myclasses As New ArrayList() Public Name As String Public Sub New(ByVal myname As String) MyBase.New() MyClasses.Add(Me) Name = myname End Sub Default Public ReadOnly Property OtherMyClassObjects(ByVal idx As Integer) As MyClass Get Return CType(MyClasses.Item(idx), MyClass) End Get End Property Public Shared ReadOnly Property OtherObjectCount() As Integer Get Return myclasses.Count End Get End Property Public ReadOnly Property MyIndex() As Integer Get Return myclasses.IndexOf(Me) End Get End Property Public Sub Dispose() Implements IDisposable.Dispose MyClasses.Remove(Me) End Sub End Class
1. | Define and use ReadOnly Class Property | ||
2. | Define ReadOnly Property | ||
3. | Demo Const and ReadOnly |