PDF Open Action

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Http;

using HiQPdfClient;

namespace HiQPdf_Demo.Controllers
{
    public class PdfOpenActionController : Controller
    {
        // GET: PdfOpenAction
        public ActionResult Index()
        {
            return View();
        }

        [HttpPost]
        public ActionResult CreatePdf(IFormCollection collection)
        {
            string serverIP = collection["textBoxServerIP"];
            uint serverPort = uint.Parse(collection["textBoxServerPort"]);
            string serverPassword = collection["textBoxServerPassword"];

            // create a PDF document
            PdfDocument document = new PdfDocument(serverIP, serverPort);

            // use server password if necessary
            if (serverPassword.Length > 0)
                document.ServerPassword = serverPassword;

            // set a demo serial number
            document.SerialNumber = "YCgJMTAE-BiwJAhIB-EhlWTlBA-UEBRQFBA-U1FOUVJO-WVlZWQ==";

            // create the true type fonts that can be used in document
            PdfFont newTimesFontEmbed = document.CreateFontFromName("Times New Roman", 10, true);

            // create page 1
            PdfPage page1 = document.AddPage();
            // create a text object to be laid out on this page
            PdfText text1 = new PdfText(10, 10, "This is the Page 1 of the document with Open action", newTimesFontEmbed);
            // layout the text
            page1.Layout(text1);

            // create page 2
            PdfPage page2 = document.AddPage();
            // create a text object to be laid out on this page
            PdfText text2 = new PdfText(10, 10, "This is the Page 2 of the document with Open action", newTimesFontEmbed);
            // layout the text
            page2.Layout(text2);

            // create page 1
            PdfPage page3 = document.AddPage();
            // create a text object to be laid out on this page
            PdfText text3 = new PdfText(10, 10, "This is the Page 3 of the document with Open action", newTimesFontEmbed);
            // layout the text
            page3.Layout(text3);

            if (collection["ActionType"] == "radioButtonJavaScript")
            {
                // display an alert message when the document is opened

                string alertMessage = collection["textBoxAlertMessage"];
                string javaScriptCode = "app.alert({cMsg: \"" + alertMessage + "\", cTitle: \"Open Document JavaScript Action\"});";

                // create the JavaScript action to display the alert
                PdfJavaScriptAction javaScriptAction = new PdfJavaScriptAction(javaScriptCode);

                // set the document JavaScript open action
                document.SetOpenAction(javaScriptAction);
            }
            else
            {
                // go to a given page in document and set the given zoom level when the document is opened

                int pageIndex = collection["PageNumber"] == "radioButtonPage1" ? 0 : (collection["PageNumber"] == "radioButtonPage2" ? 1 : 2);
                int zoomLevel = int.Parse(collection["textBoxZoomLevel"]);

                PdfDestination openDestination = new PdfDestination(document.Pages[pageIndex], new PointFloat(10, 10));
                openDestination.Zoom = zoomLevel;
                PdfGoToAction goToAction = new PdfGoToAction(openDestination);

                // set the document GoTo open action
                document.SetOpenAction(goToAction);
            }

            try
            {
                // write the PDF document to a memory buffer
                byte[] pdfBuffer = document.WriteToMemory();

                FileResult fileResult = new FileContentResult(pdfBuffer, "application/pdf");
                fileResult.FileDownloadName = "OpenAction.pdf";

                return fileResult;
            }
            finally
            {
                document.Close();
            }
        }
    }
}