private void sayHelloButton_Click(object sender, EventArgs e)
{
var names = nameTextBox.Text;
var namesArray = names.Split(' ').Select(n => n.Trim()).Where(n => !string.IsNullOrEmpty(n)).ToArray();
var message = Greeter.FormatGreeting(namesArray);
MessageBox.Show(this, message, "Hello", MessageBoxButtons.OK);
}
static void Main(string[] args)
{
var stringToPrint = Greeter.FormatGreeting(args);
Console.WriteLine(stringToPrint);
}