// CP5200 refresher private void RefreshLED(string str, Color foreColor) { //CP5200_SendText(PreviewResult.Text); // create temporal image TextImage tempImg = new TextImage(str, LEDConfig.defaultFont, foreColor, Color.Black); try { LEDConnection.CP5200_SendImg(tempImg, effect); } catch (Exception ex) { //refresh preview area LED.settingForm.RefreshPreview(ex.Message); } finally { // delete temp image tempImg.release(); } }