private void btnGetTime_Click(object sender, EventArgs e) { txtNowTime.Text = txtReaderTime.Text = ""; ((Button)sender).Enabled = false; Application.DoEvents(); PassiveCommand.GetTime(SystemPub.ADRcp); //if (!SystemPub.ADRcp.SendBytePkt(PassiveRcp.GetTime(SystemPub.ADRcp.Address))) { } ((Button)sender).Enabled = true; }