Convert.ToBoolean(Double) converts double number to Boolean value.
Class Sample Public Shared Sub Main() Dim doubleVal As Double Dim boolVal As Boolean doubleVal = 1.1 boolVal = System.Convert.ToBoolean(doubleVal) System.Console.WriteLine("{0} as a Boolean is: {1}.",doubleVal, boolVal) doubleVal = System.Convert.ToDouble(boolVal) System.Console.WriteLine("{0} as a Double is: {1}.",boolVal, doubleVal) End Sub End Class