Convert.ToBoolean (SByte) converts 8-bit signed integer to Boolean value.
Class Sample Public Shared Sub Main() Dim numbers() As SByte = { SByte.MinValue, -1, 0, 10, 100, SByte.MaxValue } Dim result As Boolean For Each number As SByte In numbers result = Convert.ToBoolean(number) Console.WriteLine("{0,-5} --> {1}", number, result) Next End Sub End Class