Optional parameters : Function Parameters « Class Module « VB.Net Tutorial

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VB.Net Tutorial » Class Module » Function Parameters 
6.3.1.Optional parameters
Module Module1

    Sub Main()
        ShowMessage()
    End Sub

    Sub ShowMessage(Optional ByVal strText As String = "Hello there!")
        System.Console.WriteLine(strText)
    End Sub

End Module
 
Hello there!
6.3.Function Parameters
6.3.1.Optional parameters
6.3.2.Argument Order
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