WxOrientation

enum wxOrientation
{
    /* don't change the values of these elements, they are used elsewhere */
    wxHORIZONTAL              = 0x0004,
    wxVERTICAL                = 0x0008,

    wxBOTH                    = wxVERTICAL | wxHORIZONTAL,

    /*  a mask to extract orientation from the combination of flags */
    wxORIENTATION_MASK        = wxBOTH
};