/// <summary> /// 发送消息 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void btnSend_Click(object sender, EventArgs e) { try { hubProxy.Invoke("send", this.txtSend.Text).Wait(); hubProxy.GetValue <string>("ddd"); txtSend.Text = ""; txtSend.SelectionStart = 0; txtSend.Select(); } catch (Exception exception) { XtraMessageBox.Show(exception.Message); } }