要改里面的子节点,他们的父对象是content, 不是panel
var ct:Box = testView.mypanel.content;
//testView.mypanel.setChildIndex(testView.c, 0);
ct.setChildIndex(testView.c,0);
trace(testView.mypanel.getChildIndex(testView.a));
trace(testView.mypanel.getChildIndex(testView.b));
trace(testView.mypanel.getChildIndex(testView.c));
ct.setChildIndex(testView.b,1);
trace(testView.mypanel.getChildIndex(testView.a));
trace(testView.mypanel.getChildIndex(testView.b));
trace(testView.mypanel.getChildIndex(testView.c));
ct.setChildIndex(testView.a,2);