private void buttonSayHello_Click(object sender, EventArgs e)
{
string name = this.textBoxName.Text;
MessageBox.Show(string.IsNullOrEmpty(name)
? $"Please, enter your name at first."
: HelloGenerator.GetHello(name));
}
public static void Main(string[] args)
{
var config = new ConfigurationBuilder()
.AddCommandLine(args)
.Build();
string name = config["name"];
if (string.IsNullOrEmpty(name))
{
Console.WriteLine("Write your name, please:");
name = Console.ReadLine();
}
Console.WriteLine(HelloGenerator.GetHello(name));
Console.ReadKey();
}