C++框架页 框架页面的问题,就是比如左侧几个按纽,点击一个,右面出现对应的显示,再点另一个,右面出现其他的页面 -C++ fr a mework page fr a mework page issue, that is, for example, a few left button, click one of the display corresponds to the right appears, and then point to another, the right of th