private void enterButton_Click(object sender, EventArgs e) { _enterForm = new EnterForm(); if (_enterForm.ShowDialog(this) != DialogResult.OK || Connected) { return; } _client = new Client(_enterForm.Name, this, _port, _host); _client.Connect(); Connected = true; sendButton.Enabled = true; textBox.Enabled = true; exitButton.Enabled = true; clientsButton.Enabled = true; enterButton.Enabled = false; }