You define the SOUTH (button) panel first, because a DockPanel is first come, first served when it comes to claiming corner space.

首先要定义南侧（按钮）面板，因为在请求角落处时，DockPanel是最先出现、最先被服务的。

youdao

You define the SOUTH (button) panel first, because a DockPanel is first come, first served when it comes to claiming corner space.

首先要定义南侧（按钮）面板，因为在请求角落处时，DockPanel是最先出现、最先被服务的。

youdao