static void Main()
{
Console.WriteLine("Press <ENTER> to terminate client once the output is displayed.");
Console.WriteLine();
// Create a client
CalculatorClient client = new CalculatorClient();
// <snippet5>
// AddAsync
double value1 = 100.00D;
double value2 = 15.99D;
client.AddCompleted += new EventHandler <AddCompletedEventArgs>(AddCallback);
client.AddAsync(value1, value2);
Console.WriteLine("Add({0},{1})", value1, value2);
// </snippet5>
// SubtractAsync
value1 = 145.00D;
value2 = 76.54D;
client.SubtractCompleted += new EventHandler <SubtractCompletedEventArgs>(SubtractCallback);
client.SubtractAsync(value1, value2);
Console.WriteLine("Subtract({0},{1})", value1, value2);
// Multiply
value1 = 9.00D;
value2 = 81.25D;
double result = client.Multiply(value1, value2);
Console.WriteLine("Multiply({0},{1}) = {2}", value1, value2, result);
// Divide
value1 = 22.00D;
value2 = 7.00D;
result = client.Divide(value1, value2);
Console.WriteLine("Divide({0},{1}) = {2}", value1, value2, result);
Console.ReadLine();
//Closing the client gracefully closes the connection and cleans up resources
client.Close();
}