private async void button_Synch_Click(object sender, EventArgs e) { PowerControl vPowerControl = new PowerControl(); int vTime = CommHelper.DateTimeToTimestamp(DateTime.Now); bool vResult = await vPowerControl.SendCMD_SetTime(DianYuanID, vTime); if (vResult) { MessageBox.Show("时间同步成功", "信息", MessageBoxButtons.OK, MessageBoxIcon.Information); label_Time.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); } else { MessageBox.Show("时间同步失败", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error); } }