private void btnPing_Click(object sender, EventArgs e) { if (string.IsNullOrEmpty(tbxPing.Text.Trim()) || string.IsNullOrEmpty(tbxPort.Text.Trim())) { return; } var mex = new Evolution.Dht.Kademlia.Message(new IPEndPoint(GetHostAddresses(tbxPing.Text), int.Parse(tbxPort.Text))); mex.CreatePing(); client.Send(mex, client.Me); }