Convert.ToBoolean (Int64) converts 64-bit signed integer to Boolean value.
Class Sample Public Shared Sub Main() Dim numbers() As Long = { Int64.MinValue, -2010, 2010, Int64.MaxValue } Dim result As Boolean For Each number As Long In numbers result = Convert.ToBoolean(number) Console.WriteLine("{0,-26:N0} --> {1}", number, result) Next End Sub End Class