private void Hyperlink_Click(object sender, RoutedEventArgs e)
        {
            Regex rgx = new Regex(@"^[0-9]+$");
            if (rgx.IsMatch(AddNum.Text))
            {
                BusinessLayer.ConversationManager cm = new BusinessLayer.ConversationManager();

                EntityLayer.Contact contacts = cm.getContactFromString(AddNum.Text);
                if (contacts == null)
                {
                    EntityLayer.Contact c;

                    if (AddNom.Text.Length == 0)
                    {
                        c = new EntityLayer.Contact(AddNum.Text);
                    }
                    else
                    {
                        c = new EntityLayer.Contact(AddNom.Text, AddNum.Text);
                    }
                    cm.addContact(c);
                    IList<EntityLayer.Contact> icon = cm.getContacts();
                    parentWindow.ListContact.DataContext = new ViewModel.Contact.ContactsModelView(icon);

                }
                this.Close();
            }
            else
            {
                AddTitle.Text = "Ajout d'un contact (Numéro Invalide)";
            }
        }
        public AddContact(Contact parentWindow,String contact)
        {
            InitializeComponent();
            this.parentWindow = parentWindow;
            BusinessLayer.ConversationManager cm = new BusinessLayer.ConversationManager();

            EntityLayer.Contact contacts = cm.getContactFromString(contact);
            ViewModel.Contact.ContactModelView cmv = new ViewModel.Contact.ContactModelView(contacts);
            this.DataContext = cmv;

            ButtonAdd.Text = "+ Modifier";
        }
        private void AppButton_Click(object sender, EventArgs e)
        {
            BusinessLayer.ConversationManager cm = new BusinessLayer.ConversationManager();
            if(TextField.Text.Length > 0)
            {
                EntityLayer.SMS sms = new EntityLayer.SMS(TextField.Text, cm.getContactFromString(contact));
                cm.AddMessageToConv(sms, cm.getConversationsFromContact(contact));

                EntityLayer.Conversation convs = cm.getConversationsFromContact(contact);
                ViewModel.SMS.SMSsModelView cmv = new ViewModel.SMS.SMSsModelView(convs.Messages);
                FilConv.DataContext = cmv;

                UsbManager manager = UsbManager.getInstance(null);
                manager.send(sms);

                IList<EntityLayer.Conversation> convs2 = cm.getConversations();
                ViewModel.Conversation.ConversationsModelView cmv2 = new ViewModel.Conversation.ConversationsModelView(convs2);
                parent.ListConversations.DataContext = cmv2;

                TextField.Text = "";
            }
        }