public static void Run()
{
//ExStart: CustomizePageNumbesWhileAddingTOC
//Sometimes when we add TOC into PDF document it is required to customize the page numbering in the TOC.
//For exapmle we need add some prefix before page number like "P1, P2, P3 ...".
// For such case Aspose.PDF for .NET provides PageNumbersPrefix property of TocInfo class.
//Code snippet below shows how to use this feature.
string inFile = RunExamples.GetDataDir_AsposePdf_WorkingDocuments() + "42824.pdf";
string outFile = RunExamples.GetDataDir_AsposePdf_WorkingDocuments() + "42824_out.pdf";
// Load an existing PDF files
Document doc = new Document(inFile);
// Get access to first page of PDF file
Aspose.Pdf.Page tocPage = doc.Pages.Insert(1);
// Create object to represent TOC information
TocInfo tocInfo = new TocInfo();
TextFragment title = new TextFragment("Table Of Contents");
title.TextState.FontSize = 20;
title.TextState.FontStyle = FontStyles.Bold;
// Set the title for TOC
tocInfo.Title = title;
tocInfo.PageNumbersPrefix = "P";
tocPage.TocInfo = tocInfo;
for (int i = 1; i < doc.Pages.Count; i++)
{
// Create Heading object
Aspose.Pdf.Heading heading2 = new Aspose.Pdf.Heading(1);
TextSegment segment2 = new TextSegment();
heading2.TocPage = tocPage;
heading2.Segments.Add(segment2);
// Specify the destination page for heading object
heading2.DestinationPage = doc.Pages[i + 1];
// Destination page
heading2.Top = doc.Pages[i + 1].Rect.Height;
// Destination coordinate
segment2.Text = "Page " + i.ToString();
// Add heading to page containing TOC
tocPage.Paragraphs.Add(heading2);
}
// Save the updated document
doc.Save(outFile);
//ExEnd: CustomizePageNumbesWhileAddingTOC
}
public static void Run()
{
//ExStart: CustomizePageNumbesWhileAddingTOC
string inFile = RunExamples.GetDataDir_AsposePdf_WorkingDocuments() + "42824.pdf";
string outFile = RunExamples.GetDataDir_AsposePdf_WorkingDocuments() + "42824_out.pdf";
// Load an existing PDF files
Document doc = new Document(inFile);
// Get access to first page of PDF file
Aspose.Pdf.Page tocPage = doc.Pages.Insert(1);
// Create object to represent TOC information
TocInfo tocInfo = new TocInfo();
TextFragment title = new TextFragment("Table Of Contents");
title.TextState.FontSize = 20;
title.TextState.FontStyle = FontStyles.Bold;
// Set the title for TOC
tocInfo.Title = title;
tocInfo.PageNumbersPrefix = "P";
tocPage.TocInfo = tocInfo;
for (int i = 1; i < doc.Pages.Count; i++)
{
// Create Heading object
Aspose.Pdf.Heading heading2 = new Aspose.Pdf.Heading(1);
TextSegment segment2 = new TextSegment();
heading2.TocPage = tocPage;
heading2.Segments.Add(segment2);
// Specify the destination page for heading object
heading2.DestinationPage = doc.Pages[i + 1];
// Destination page
heading2.Top = doc.Pages[i + 1].Rect.Height;
// Destination coordinate
segment2.Text = "Page " + i.ToString();
// Add heading to page containing TOC
tocPage.Paragraphs.Add(heading2);
}
// Save the updated document
doc.Save(outFile);
//ExEnd: CustomizePageNumbesWhileAddingTOC
}
