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How to replace pages in a PDF document?

Platform: WinForms |
Control: PDF
Tags: pdf, page

The pages can be replaced in a PDF document using the PdfTemplate. Please find the code snippet and sample below for the same.


//Existing pdf with file path.
 string file1 = "../../Data/imageDoc.pdf";
//Loading File1
 PdfLoadedDocument ldDoc1 = new PdfLoadedDocument(file1);
 //Gets the page collection of loaded document
 PdfLoadedPageCollection pageCollection = ldDoc1.Pages;
//Removes the page at index zero
 //Initializes font.
 PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 12);
 //Creates a new Pdf document
 PdfDocument doc = new PdfDocument();
 //Adds a new page
 PdfPage page = doc.Pages.Add();
 PdfGraphics g = page.Graphics;
 //Draws string in the new page.
 g.DrawString("Hello", font, PdfBrushes.Black, new PointF(0, 0));
 //Creates template of replacing page.
 PdfTemplate template = page.CreateTemplate();
 //Inserts new page at index zero in loaded document
 PdfPage newLoadedPage = pageCollection.Insert(0) as PdfPage;
  PdfGraphics lgraphics = newLoadedPage.Graphics;
  //Draw the template of the replacing page in the newly inserted loaded document page graphics.
 lgraphics.DrawPdfTemplate(template, PointF.Empty, page.GetClientSize());
 //Save the document and dispose it


Sample Link:



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