SmartGWT中addMembers（...）和setMembers（...）之间有什么区别

Question

使用SmartGWT的addMembers与setMembers方法将组件添加到表单布局有什么区别？

mainLayout.addMember(northLayout);
mainLayout.addMember(southLayout);

或

mainLayout.addMembers(northLayout, southLayout);

VS

mainLayout.setMembers(northLayout,southLayout);

谢谢！

Answer 1

最后看一下源代码：http://www.google.com/codesearch/p?hl=en#IbhKj4VngGk/trunk/main/src/com/smartgwt/client/widgets/layout/Layout.java&q=setmembers%20package:http://smartgwt%5C.googlecode%5C.com&l=1039，每个setMembers调用addMember，另外删除现有