private void button1_Click(object sender, EventArgs e)
{
Anne myAnnee = new Anne();
String message = myAnnee.MessageAnneChoisir(dateTimePicker1.Value);
MessageBox.Show(message);
}
static void Main(string[] args)
{
Anne myAnne = new Anne();
Console.WriteLine("SVP enter ton annee de naissance dd-mm-yyyy:");
String input = Console.ReadLine();
String[] date = input.Split('-');
//Console.WriteLine(date[2]);
DateTime myDate = new DateTime(int.Parse(date[2]), int.Parse(date[1]), int.Parse(date[0]), 0, 0, 0);
Console.WriteLine(myAnne.MessageAnneChoisir(myDate));
Console.ReadKey();
}