//与服务端对话 private void btn_Send_Click(object sender, EventArgs e) { if (rtb_Speak.Text == "") { MessageBox.Show("不能发送空信息!", "阻止框", MessageBoxButtons.OK, MessageBoxIcon.Stop); } else { if (GeneralControler.Speak(rtb_Speak.Text)) { rtb_Content.Text += ("管理员" + ":\n\t" + rtb_Speak.Text + "\n"); rtb_Speak.Text = ""; } } }