private void ClearQR_Click(object sender, EventArgs e) { QR_code.BackColor = Color.Black; QR_code.Clear(); QR_code.Focus(); }
private void jig_close_VisibleChanged(object sender, EventArgs e) { if (jig_close.Visible == true) { jig_open.Visible = false; Start_dowload(); } else { try { jig_open.Visible = true; QR_code.Clear(); MB.WriteSingleRegister(ModbusRTU.ADD_CLR, 1); } catch { } } }