WxAlignment

enum wxAlignment
{
    /*
        0 is a valid wxAlignment value (both wxALIGN_LEFT and wxALIGN_TOP
        use it) so define a symbolic name for an invalid alignment value
        which can be assumed to be different from anything else
     */
    wxALIGN_INVALID           = -1,

    wxALIGN_NOT               = 0x0000,
    wxALIGN_CENTER_HORIZONTAL = 0x0100,
    wxALIGN_CENTRE_HORIZONTAL = wxALIGN_CENTER_HORIZONTAL,
    wxALIGN_LEFT              = wxALIGN_NOT,
    wxALIGN_TOP               = wxALIGN_NOT,
    wxALIGN_RIGHT             = 0x0200,
    wxALIGN_BOTTOM            = 0x0400,
    wxALIGN_CENTER_VERTICAL   = 0x0800,
    wxALIGN_CENTRE_VERTICAL   = wxALIGN_CENTER_VERTICAL,

    wxALIGN_CENTER            = (wxALIGN_CENTER_HORIZONTAL | wxALIGN_CENTER_VERTICAL),
    wxALIGN_CENTRE            = wxALIGN_CENTER,

    /*  a mask to extract alignment from the combination of flags */
    wxALIGN_MASK              = 0x0f00
};