如:
BOOL PeekMessage(
        LPMSG  lpMsg,
        HWND   hWnd,
        UINT   wMsgFilterMin,
        UINT   wMsgFilterMax,
        UINT   wRemoveMsg//???
      ); 
wRemoveMsg枚举有两个值:PM_NOREMOVE、PM_REMOVE
那么它们的实际值(数值)是多少呢?我应该到那里去查?