在Windows窗体上使用组框而不是面板的设计原因是什么？

So I am designing a control with a window s form. I want to group some controls together with a caption. So naturally I would go with a GroupBox. However is there some advantage in using a panel instead? Something not immediatly obvious to one who is still a little green with form design? How about some "gotchas" as well.So I am designing a control with a window s for