//.....................................................................
        /// <summary>
        ///
        /// </summary>
        /// <returns></returns>
        private static M.FractionProperties MakeFractionProperties( )
        {
            M.FractionProperties properties = new M.FractionProperties( );

            properties.Append(OpenDocxMathExprs.MakeControlProperties());

            return(properties);
        }
        //.....................................................................
        /// <summary>
        ///
        /// </summary>
        /// <returns></returns>
        private OpxM.FractionProperties MakeFractionProperties( )
        {
            OpxM.FractionProperties fractionProperties1 = new OpxM.FractionProperties( );

            OpxM.ControlProperties controlProperties1 = new OpxM.ControlProperties( );

            //RunProperties runProperties4 = new RunProperties( );
            //RunFonts runFonts3 = new RunFonts( ) { Ascii = "Cambria Math", HighAnsi = "Cambria Math", EastAsia = "Cambria Math" };
            //runProperties4.Append( runFonts3 );

            controlProperties1.Append(this.CambriaFont2( ));

            fractionProperties1.Append(controlProperties1);

            return(fractionProperties1);
        }