Coin.FormMain.OnAddressBook C# (CSharp) Method

        private void OnAddressBook(object sender, RoutedEventArgs e)
        {
            WalletForms wf = SelectedWallet();
            if (wf.FormAddressBook == null)
                wf.FormAddressBook = new FormAddressBook(wf);
            wf.FormAddressBook.Show();
            wf.FormAddressBook.Activate();
        }