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Convert ToByte (UInt64) converts 64-bit unsigned integer to 8-bit unsigned integer

Class Sample    Public Shared Sub Main()         Dim numbers() As ULong = { UInt64.MinValue, 121, 340, UInt64.MaxValue }         Dim result As Byte         For Each number As ULong In numbers            Try               result = Convert.ToByte(number)               Console.WriteLIne("Converted the {0} value {1} to the {2} value {3}.", _                                 number.GetType().Name, number, _                                 result.GetType().Name, result)            Catch e As OverflowException               Console.WriteLine("The {0} value {1} is outside the range of the Byte type.", _                                 number.GetType().Name, number)            End Try         Next     End Sub End Class