import org.adempiere.webui.adwindow.ADWindowContent.ADWindowVlayout;
import org.adempiere.webui.adwindow.AbstractADWindowContent;
import org.adempiere.webui.session.SessionManager;
import org.compiere.util.Env;
import org.compiere.util.DB;
import org.compiere.util.Util;
import java.math.*;
import java.sql.Timestamp;
import java.util.Calendar;
import java.util.Date;
if((A_Tab.getValue("M_Product_ID") != null) ) {
ADWindowVlayout pop = ((ADWindowVlayout)SessionManager.getAppDesktop().getActiveWindow());
f = pop.getClass().getDeclaredField("content");
f.setAccessible(true);
AbstractADWindowContent content = (AbstractADWindowContent)f.get(pop);
A_Tab.setValue("LIT_Barcode", "");
content.onSaveCreate();
}
Marco