Convert.ToUInt16 (Int64) converts 64-bit signed integer to 16-bit unsigned integer.
Class Sample Public Shared Sub Main() Dim numbers() As Long = { Int64.MinValue, -1, 0, 121, 340, Int64.MaxValue } Dim result As UShort For Each number As Long In numbers Try result = Convert.ToUInt16(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("OverflowException",number.GetType().Name, number) End Try Next End Sub End Class