Class Sample
Public Shared Sub Main()
Dim numbers() As Integer = { Int32.MinValue, -1, 0, 121, 340, Int32.MaxValue }
Dim result As ULong
For Each number As Integer In numbers
Try
result = Convert.ToUInt64(number)
Console.WriteLine(result)
Catch e As OverflowException
Console.WriteLine("The {0} value {1} is outside the range of the UInt64 type.", _
number.GetType().Name, number)
End Try
Next
End Sub
End Class