private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
        // TODO add your handling code here:
        generated.Test4.insertChild(currentNode, (String)jComboBox2.getSelectedItem());

        TreePath temp = jTree1.getSelectionPath();
        jTree1.setModel(new DefaultTreeModel(generated.Test4.transform()));
        jTree1.expandPath(temp);
    }//GEN-LAST:event_jButton1ActionPerformed