VB.Net/Language Basics/Not

If with not Equals

<source lang="vbnet"> Imports System Public Class MainClass

   Shared Sub Main()
       Dim strName As String
       strName = "GRE"
       "Is the name Gretchen?
       If strName <> "Gre" Then
           System.Console.WriteLine("The name is *not* Gre.")
       End If
   End Sub

End Class

      </source>

Truth table for Not

<source lang="vbnet"> Imports System Public Class MainClass

   Shared Sub Main(ByVal args As String())
     " create truth table for Not
     Console.Write("Not" & vbCrLf & "Not False: " & _
        (Not False) & vbCrLf & "Not True: " & (Not True) & _
        vbCrLf & vbCrLf)
   End Sub

End Class

      </source>