public static uint creerStyle(Stylesheet ss, string police, int taille, bool bold, string fontColor,
                                      string fillColor, string ts, string bs, string ls, string rs, uint numberFormat)
        {
            uint f  = XcelWin.ajoutFont(ss, police, taille, bold, fontColor);
            uint f2 = XcelWin.ajoutFill(ss, fillColor);
            uint b  = XcelWin.ajoutBorder(ss, ts, bs, ls, rs);
            uint c  = XcelWin.ajouterCellformat(ss, numberFormat, f, f2, b, 0);

            return(c);
        }