private void Address_Click(object sender, RoutedEventArgs e) { var contract = new AddressRequest { Cep = Cep.Text }; var addressClient = new AddressClient(); var addressInfo = Task.Run(() => addressClient.GetAddressInfo(contract)).Result; if (addressInfo != null && string.IsNullOrWhiteSpace(addressInfo.Uf)) { AddressInfo.Text = "Erro ao recuperar os dados do endereço"; return; } AddressInfo.Text = $"{addressInfo.Logradouro}\n{addressInfo.Bairro} / {addressInfo.Localidade} / {addressInfo.Uf}\n{addressInfo.Cep}"; }