WxBorder

/*  border flags: the values are chosen for backwards compatibility */
enum wxBorder
{
    /*  this is different from wxBORDER_NONE as by default the controls do have */
    /*  border */
    wxBORDER_DEFAULT = 0,

    wxBORDER_NONE   = 0x00200000,
    wxBORDER_STATIC = 0x01000000,
    wxBORDER_SIMPLE = 0x02000000,
    wxBORDER_RAISED = 0x04000000,
    wxBORDER_SUNKEN = 0x08000000,
    wxBORDER_DOUBLE = 0x10000000, /* deprecated */
    wxBORDER_THEME  = wxBORDER_DOUBLE,

    /*  a mask to extract border style from the combination of flags */
    wxBORDER_MASK   = 0x1f200000
};