//// This code is part of Document Solutions for Word demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System.Linq;using System.Globalization;using GrapeCity.Documents.Word;using GrapeCity.Documents.Word.Fields;
namespace DsWordWeb.Demos{    // This sample shows how to create a Word document with a Table of Contents (TOC)    // that is built with custom TOC entries created using TC (TOC Entry Item) fields.    public class TcFieldOpts    {        public GcWordDocument CreateDocx()        {            var doc = new GcWordDocument();
            // Add a page header:            var pageOpts = new PageFieldOptions(doc);            pageOpts.NumberStyle = NumberStyle.Decimal;            var sectionPagesOpts = new SectionPagesFieldOptions(doc);            sectionPagesOpts.NumberStyle = NumberStyle.Decimal;            var par = doc.Body.Sections.First.Headers[HeaderFooterType.Primary].Body.AddParagraph("Page ");            par.AddComplexField(pageOpts);            par.GetRange().Runs.Add(" of ");            par.AddComplexField(sectionPagesOpts);
            // Add a 'TOC' field:            var tocOpts = new TocFieldOptions(doc);            // Tell TOC to collect TC fields (it is off by default):            tocOpts.TcFields.Collect = true;            // Set other options:            tocOpts.EntryFormatting.CreateHyperlink = true;            // Tell the TOC to include all outline levels:            foreach (TocStyleLevel style in tocOpts.Styles)                style.Collect = true;
            // Add TOC and a page break to the beginning of the document:            doc.Body.Paragraphs.Add("Table of Contents", doc.Styles[BuiltInStyleId.TocHeading]).AddComplexField(tocOpts);            doc.Body.Paragraphs.Last().GetRange().Runs.Last.AddBreak(BreakType.Page);
            // Create random content with TC fields at 3 nesting levels:            var rnd = Util.NewRandom();            for (int i = 0; i < rnd.Next(2, 4); i++)            {                var headerText = $"Top-level header {i + 1}";                var p = doc.Body.AddParagraph(headerText, doc.Styles[BuiltInStyleId.MessageHeader]);
                var tcOpts = new TcFieldOptions(doc);                tcOpts.Content.Text = $"TC Field for {headerText}";                tcOpts.DisplayLevel = OutlineLevel.Level1;                doc.Body.AddParagraph(Util.LoremIpsumPar()).AddComplexField(tcOpts);
                for (int j = 0; j < rnd.Next(2, 5); j++)                {                    headerText = $"Second-level header {j + 1}";                    p = doc.Body.AddParagraph("\t" + headerText, doc.Styles[BuiltInStyleId.MessageHeader]);
                    tcOpts = new TcFieldOptions(doc);                    tcOpts.Content.Text = $"TC Field for {headerText}";                    tcOpts.DisplayLevel = OutlineLevel.Level2;
                    doc.Body.AddParagraph(Util.LoremIpsumPar()).AddComplexField(tcOpts);
                    for (int k = 0; k < rnd.Next(2, 6); k++)                    {                        headerText = $"Third-level header {k + 1}";                        p = doc.Body.AddParagraph("\t\t" + headerText, doc.Styles[BuiltInStyleId.MessageHeader]);
                        tcOpts = new TcFieldOptions(doc);                        tcOpts.Content.Text = $"TC Field for {headerText}";                        tcOpts.DisplayLevel = OutlineLevel.Level3;
                        doc.Body.AddParagraph(Util.LoremIpsumPar()).AddComplexField(tcOpts);                    }                }            }            doc.Body.AddParagraph("The End.", doc.Styles[BuiltInStyleId.IntenseQuote]);
            // Update fields using a specific culture:            doc.UpdateFields(new GrapeCity.Documents.Word.Layout.WordLayoutSettings() { FontCollection = Util.FontCollection, Culture = CultureInfo.GetCultureInfo("en-US") });
            // Done:            return doc;        }    }}