//// This code is part of Document Solutions for Word demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System;using System.Globalization;using GrapeCity.Documents.Word;
namespace DsWordWeb.Demos{    // This example demonstrates the available math functions    // that can be used with the 'calc' report templates feature.    public class DataTplCalcMath    {        public GcWordDocument CreateDocx()        {            // A simple data source to be used by the math functions:            var data = new double[] { Math.PI };
            var doc = new GcWordDocument();
            // Add the data source:            doc.DataTemplate.DataSources.Add("ds", data);
            // Styles and templates to show results:            var bulletListTemplate = doc.ListTemplates.Add(BuiltInListTemplateId.BulletDefault, "bulletListTemplate");            var exStyle = doc.Styles[BuiltInStyleId.Heading3];            var resStyle = doc.Styles[BuiltInStyleId.Strong];
            var paras = doc.Body.Paragraphs;            add("{{ ds.value }}");            add("{{ calc Abs(-ds.value) }}");            add("{{ calc Round(ds.value, 2) }}");            add("{{ calc Round(ds.value, 2, \"banker\") }}");   // "banker" aliases: "toeven", "halfeven"            add("{{ calc Round(ds.value, 2, \"halfup\") }}");   // "halfup" alias: "awayfromzero"            add("{{ calc Round(ds.value, 2, \"halfdown\") }}");            add("{{ calc Round(ds.value, 2, \"up\") }}");            add("{{ calc Round(ds.value, 2, \"down\") }}");     // "down" aliases: "truncate", "tozero"            add("{{ calc Round(ds.value, 2, \"ceiling\") }}");  // "ceiling" alias: "ceil"            add("{{ calc Round(ds.value, 2, \"floor\") }}");            add("{{ calc Acos(ds.value) }}");            add("{{ calc Asin(ds.value) }}");            add("{{ calc Atan(ds.value) }}");            add("{{ calc Atan2(ds.value, 1) }}");            add("{{ calc Ceiling(ds.value) }}");            add("{{ calc Cos(ds.value) }}");            add("{{ calc Cosh(ds.value) }}");            add("{{ calc Exp(ds.value) }}");            add("{{ calc Floor(ds.value) }}");            add("{{ calc Log10(ds.value) }}");            add("{{ calc Log(ds.value) }}");            add("{{ calc Log(ds.value, 10) }}");            add("{{ calc Pow(ds.value, 2) }}");            add("{{ calc Rand() }}");            add("{{ calc RandBetween(0, 100) }}");            add("{{ calc Sign(ds.value) }}");            add("{{ calc Sin(ds.value) }}");            add("{{ calc Sinh(ds.value) }}");            add("{{ calc Sqrt(ds.value) }}");            add("{{ calc Tan(ds.value) }}");            add("{{ calc Tanh(ds.value) }}");
            // Process the templates:            doc.DataTemplate.Process(CultureInfo.GetCultureInfo("en-US"));
            // Add a short note describing the demo at the top of the document:            paras.Insert(                "This example demonstrates the available math functions " +                "that can be used with the 'calc' report templates feature. " +                "Please see this sample source code for full details.",                InsertLocation.Start);            paras.Insert("Report templates: available calc math functions", doc.Styles[BuiltInStyleId.Heading1], InsertLocation.Start);
            // Done:            return doc;
            void add(string expr)            {                // \x200B is a zero-width space used to prevent template expansion:                paras.Add(expr.Insert(1, "​​​\x200B") + " :  ", exStyle).ListFormat.Template = bulletListTemplate;                paras.Last.GetRange().Runs.Add(expr, resStyle);            }        }    }}