这几个消息时什么意思？

WM_WINDOWPOSCHANGING
WM_CTLCOLORLISTBOX
WM_ENTERIDLE
WM_CTLCOLORLISTBOX要自己做皮肤一般需要用到哪些消息呢？我知道要用WM_PAINT
WM_LBUTTONDOWN
WM_LBUTTONUP
WM_KEYDOWN
WM_KEYUP
WM_MOUSEMOVE
WM_MOUSELEAVE
WM_ENABLE
WM_SETFOCUS
WM_KILLFOCUS