Data Types VB.Net

Imports System.Numerics
Imports System
Imports System.Globalization
Module Example
   Public Sub Main()
        Dim numericString As String
        Dim number As BigInteger = BigInteger.Zero
        numericString = "FFFFFFFFFF"
        If BigInteger.TryParse(numericString,
                            NumberStyles.AllowHexSpecifier,
                            Nothing, number) Then
           Console.WriteLine("'{0}' was converted to {1} (0x{1:x}).",
                             numericString, number)                             
        Else
           Console.WriteLine("Conversion of '{0}' to a BigInteger failed.",
                             numericString)
        End If                                             
    End Sub
End Module