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Inheritance Polymorphism in vb.net

Posted By:satyapriyanayak       Posted Date: November 30, 2013    Points: 40    Category: Visual Studio    URL: http://www.dotnetspark.com  

In this Code Snippets we will know how to use Inheritance Polymorphism in vb.net.
 

Public Class Form1

    Inherits System.Windows.Forms.Form

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

        Dim a As New raj1

        Dim b As New raj2

        display(a)

        display(b)

    End Sub

    Public Sub display(ByVal x As raj1)

        x.amit("sagar")

    End Sub

    Public Class raj1

        Public Overridable Sub amit(ByVal s As String)

            MsgBox("Hello" & s)

        End Sub

    End Class

    Public Class raj2

        Inherits raj1

        Public Overrides Sub amit(ByVal s As String)

            MsgBox("Hello" & s)

        End Sub

    End Class

End Class

     

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