// Get Carrier Route
private void button2_Click(object sender, EventArgs e)
{
List <string> userInput = new List <string>();
userInput.Clear();
// Get User Input
string Street = textBox2.Text;
string City = textBox1.Text;
string State = textBox3.Text;
string ZipCode = textBox4.Text;
// Make list of User Input
userInput.Add(Street);
userInput.Add(City);
userInput.Add(State);
userInput.Add(ZipCode);
// Create object for AddressValidation() and CarrierRoute()
API_abstractHandler addValid = new AddressValidation();
API_abstractHandler carrRoute = new CarrierRoute();
addValid.SetNextObject(carrRoute); //create chain link
carrRoute = new add_API_Name(carrRoute); //add decorator
string output = ClientRequest.ClientInput(carrRoute, "carrierRoute", userInput); //get results of address validation + decorator
textBox6.Text = string.Empty; //clear textbox
textBox6.AppendText(output); //output to textbox
}