' Visual Basic 2008 9.0 .NET Examples - Selections - Introduction to Visual Basic : 
Module Example1
    Sub Main()
        Console.WriteLine("Value ?")
        Dim value As Integer = Console.ReadLine()
        '
        If value = 0 Then
            Console.WriteLine("Zero.")
        Else
            If value > 0 Then
                Console.WriteLine("Positive value.")
            Else
                Console.WriteLine("Negative value.")
            End If
        End If
        '
        Console.ReadLine()
    End Sub
End Module
Module Example2
    Sub Main()
        Console.WriteLine("Value ?")
        Dim value As Integer = Console.ReadLine()
        '
        If value = 0 Then Console.WriteLine("Zero.")
        If value > 0 Then Console.WriteLine("Positive value.")
        If value < 0 Then Console.WriteLine("Negative value.")
        '
        Console.ReadLine()
    End Sub
End Module
Module Example3
    Sub Main()
        Console.WriteLine("Value ?")
        Dim value As Integer = Console.ReadLine()
        '
        If value = 0 Then
            Console.WriteLine("Zero.")
        ElseIf value > 0 Then
            Console.WriteLine("Positive value.")
        Else
            Console.WriteLine("Negative value.")
        End If
        '
        Console.ReadLine()
    End Sub
End Module
Module Example4
    Sub Main()
        Console.WriteLine("Value ?")
        Dim value As Integer = Console.ReadLine()
        '
        If value = 0 Then
            Console.WriteLine("Zero.")
        Else
            If value > 0 Then
                Console.WriteLine("Positive value.")
            Else
                Console.WriteLine("Negative value.")
            End If
            Console.WriteLine("Double : " & (value * 2))                 ' added
        End If
        '
        Console.ReadLine()
    End Sub
End Module
Module Example5
    Sub Main()
        Console.WriteLine("Value ?")
        Dim value As Integer = Console.ReadLine()
        '
        Select Case value
            Case 1
                Console.WriteLine("One.")
            Case 2
                Console.WriteLine("Two.")
            Case 3
                Console.WriteLine("Three.")
            Case Else
                Console.WriteLine("Not one, two or three.")
        End Select
        '
        Console.ReadLine()
    End Sub
End Module
Module Example6
    Sub Main()
        Console.WriteLine("Value ?")
        Dim value As Integer = Console.ReadLine()
        '
        Select Case value
            Case 1
                Console.WriteLine("One.")
            Case 2, 3, 4
                Console.WriteLine("Two, three or four.")
            Case 5 To 10
                Console.WriteLine("Value from 5 to 10.")
            Case Is > 10
                Console.WriteLine("More than 10.")
        End Select
        '
        Console.ReadLine()
    End Sub
End Module
Module Example7
    Sub Main()
        Console.WriteLine("Value ?")
        Dim value As Integer = Console.ReadLine()
        '
        Select Case value
            Case Is > 10
                Console.WriteLine("More than 10.")
            Case Is > 100
                Console.WriteLine("More than 100.")
            Case Is > 1000
                Console.WriteLine("More than 1000.")
        End Select
        '
        Console.ReadLine()
    End Sub
End Module
Module Example8
    Sub Main()
        Console.WriteLine("Value ?")
        Dim value As Integer = Console.ReadLine()
        '
        Select Case value
            Case Is > 1000
                Console.WriteLine("More than 1000.")
            Case Is > 100
                Console.WriteLine("More than 100.")
            Case Is > 10
                Console.WriteLine("More than 10.")
        End Select
        '
        Console.ReadLine()
    End Sub
End Module
Module ExerciseSolution
    Sub Main()
        Console.WriteLine("Value ?")
        Dim value As Integer = Console.ReadLine()
        '
        Dim info As String
        Select Case value
            Case Is > 100
                info = "More than 100."
            Case Is > 50
                info = "More than 50."
            Case 1, 11
                info = "One or eleven."
            Case 2 To 50
                info = "Number from 1 to 50."
            Case 0
                info = "Zero."
            Case -50 To -1
                info = "Number from -50 to -1."
            Case Is < -100
                info = "Less than -100."
            Case Is < -50
                info = "Less than -50."
        End Select
        '
        Console.WriteLine(info)
        '
        Console.ReadLine()
    End Sub
End Module

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