Shadowing in VB.NET

In this article i will describe Data shadowing in VB.NET.
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Shadowing :- This is a VB.Net Concept by which you can provide a new implementation for the base class member without overriding the member. You can shadow a base class member in the derived class by using the keyword Shadows.The method signature access level and return type of the shadowed member can be completely different than the base class member.

Note:-overriding is used to redefines only the methods. but shadowing redefines the entire element.

Coding


Class
Shadow
    Shared x As Integer = 1
    Shared Sub Main()
        Dim x As Integer = 10
        '--- prints local, not class variable.
        Console.WriteLine("main: x" & x)
        '--- prints class, not local variable.
        Console.WriteLine("main sahdow x:" & Shadow.x)
    End Sub

End
Class

Output:

Shadowing-output.gif

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