private void AddFriend() { if (username.Text.Length > 0) { if (ContainsVaildChars(username.Text)) { var status = NetworkClasses.AddFriend(username.Text); switch (status) { case "Done": username.Text = ""; Hide(); break; case "Nonexistant": MessageBox.Show("Username doesn't exist", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); break; case "Preexisting": MessageBox.Show("Already Friends with " + username.Text, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); break; } } else { MessageBox.Show("Username can only contian letters and numbers", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } } else { MessageBox.Show("Please enter a username", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } }