//// This code is part of Document Solutions for PDF .NET demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System.IO;using System.Drawing;using GrapeCity.Documents.Pdf;using GrapeCity.Documents.Text;
namespace DsPdfWeb.Demos.Basics{    // This sample shows how to prevent a page break between a paragraph    // and the next one when splitting a TextLayout.    // Splitting of text in this sample is similar to that in PaginatedText,    // see comments in PaginatedText for more info on text handling.    public class KeepWithNext    {        public int CreatePDF(Stream stream)        {            const int NPAR = 40;            var doc = new GcPdfDocument();            var tl = new TextLayout(72)            {                FirstLineIndent = 72 / 2,                MaxWidth = doc.PageSize.Width,                MaxHeight = doc.PageSize.Height,                MarginAll = 72,
            };            tl.DefaultFormat.Font = StandardFonts.Times;            tl.DefaultFormat.FontSize = 12;            // Text format for paragraphs kept together with next one:            var tf = new TextFormat(tl.DefaultFormat)            {                FontSize = tl.DefaultFormat.FontSize + 2,                FontBold = true            };            // We add a number of random 'lorem ipsum' paragraphs to this document,            // adding a 'caption' before each paragraph which is kept together            // with the following 'lorem ipsum' paragraph:            for (int i = 0; i < NPAR; i++)            {                // 'Caption' kept together with the next paragraph:                tl.Append("Caption kept together with the next paragraph. No page break after this.", tf);                // AppendParagraphBreak adds a paragraph break but prevents a page break between the two paragraphs:                tl.AppendParagraphBreak();                // Random paragraph after 'caption':                tl.Append(Common.Util.LoremIpsum(1));            }            tl.PerformLayout(true);            // We force all paragraph lines to stay on the same page,            // this makes it more obvious that 'caption' and following paragraph            // are kept on the same page:            var to = new TextSplitOptions(tl)            {                KeepParagraphLinesTogether = true,            };            // In a loop, split and render the text:            while (true)            {                // 'rest' will accept the text that did not fit:                var splitResult = tl.Split(to, out TextLayout rest);                doc.Pages.Add().Graphics.DrawTextLayout(tl, PointF.Empty);                if (splitResult != SplitResult.Split)                    break;                tl = rest;            }            // Done:            doc.Save(stream);            return doc.Pages.Count;        }    }}