Use the Sign(Double) method to determine the sign of a Double value and display it to the console.

   
Class Sample
   Public Shared Sub Main()
      Dim xDouble1 As Double = 6.0

      Console.WriteLine(xDouble1)
      Console.WriteLine(Test(Math.Sign(xDouble1)))

   End Sub 

   Public Shared Function Test([compare] As Integer) As [String]
      If [compare] = 0 Then
         Return "equal to"
      ElseIf [compare] < 0 Then
         Return "less than"
      Else
         Return "greater than"
      End If
   End Function
End Class

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Use the Sign(Double) method to determine the sign of a Double value and display it to the console. : Double « Data Types « VB.Net

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