Call base method : Class Inheritance « Class Module « VB.Net Tutorial

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VB.Net Tutorial » Class Module » Class Inheritance 




Option Strict On

Public Class BaseClass
   Public Sub MainMethod()
      Console.WriteLine("Calling Me.Method1...")
      Me.Method1()
      Console.WriteLine("Calling MyClass.Method1...")
      MyClass.Method1()
   End Sub

   Public Overridable Sub Method1()
      Console.WriteLine("BaseClass.Method1...")
   End Sub
End Class

Public Class DerivedClass : Inherits BaseClass
      Public Overrides Sub Method1()
         Console.WriteLine("DerivedClass.Method1...")
      End Sub
End Class

Public Module modMain
   Public Sub Main()
      Console.WriteLine("Invoking BaseClass.MainMethod")
      Dim bc As New BaseClass
      bc.MainMethod()
      Console.WriteLine()
      Console.WriteLine("Invoking DerivedClass.MainMethod")
      Dim dc As New DerivedClass
      dc.MainMethod()
   End Sub
End Module
Invoking BaseClass.MainMethod
Calling Me.Method1...
BaseClass.Method1...
Calling MyClass.Method1...
BaseClass.Method1...

Invoking DerivedClass.MainMethod
Calling Me.Method1...
DerivedClass.Method1...
Calling MyClass.Method1...
BaseClass.Method1...














6.14.Class Inheritance
6.14.1.Simple Inheritance
6.14.2.Class implicitly Inherits Object
6.14.3.Circle class that inherits from class Point
6.14.4.Inherit ToString method from Object
6.14.5.Call base method
6.14.6.Shadows member function from base class
6.14.7.Use For Each for Class Hierarchy
6.14.8.Inherit constant from base class
6.14.9.Class inheritance and polymorphism
6.14.10.Multilevel inheritance
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