Pass Single by value and by reference to a function : Pass by Value « Class Module « VB.Net Tutorial

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VB.Net Tutorial » Class Module » Pass by Value 
6.5.2.Pass Single by value and by reference to a function
public class Test
   public Shared Sub Main

        Dim sngFahrenheit As Single
        Dim sngCelsius As Single

        sngCelsius = 12.12
        sngFahrenheit = DegreesByValue(sngCelsius)
        Console.WriteLine(sngCelsius.ToString & " degrees Celsius are " & _
           sngFahrenheit.ToString & " degrees Fahrenheit.")

        sngCelsius = 12.12
        sngFahrenheit = DegreesByReference(sngCelsius)
        Console.WriteLine(sngCelsius.ToString & " degrees Celsius are " & _
           sngFahrenheit.ToString & " degrees Fahrenheit.")

   End Sub

   Shared Function DegreesByValue(ByVal sngCelsius As SingleAs Single
        DegreesByValue = (5* sngCelsius + 32
        sngCelsius = 0
    End Function

   Shared Function DegreesByReference(ByRef sngCelsius As SingleAs Single
        DegreesByReference = (5* sngCelsius + 32
        sngCelsius = 0
    End Function
End class
12.12 degrees Celsius are 53.816 degrees Fahrenheit.
0 degrees Celsius are 53.816 degrees Fahrenheit.
6.5.Pass by Value
6.5.1.Pass Integer by value to a function
6.5.2.Pass Single by value and by reference to a function
6.5.3.Difference between reference types and value types.
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