private void formComponentShown(java.awt.event.ComponentEvent evt) {//GEN-FIRST:event_formComponentShown
        List<MConfig> listConfig = MyETools.listConfig;
        if(listConfig.size()>0){
            String[] arrMid = new String[listConfig.size()];
            MConfig currConfig = null;
            for(int i=0;i<listConfig.size();i++){
                if(i==0){
                    currConfig = listConfig.get(0);
                    currConfig.setIsSelect(1);
                }
                arrMid[i]  = listConfig.get(i).getPhysicalAddress();
            }
            listConfig.remove(0);
            listConfig.add(currConfig);
            setConfigInfo(currConfig);
            sel_mid.setModel(new javax.swing.DefaultComboBoxModel(arrMid));
        }
    }//GEN-LAST:event_formComponentShown