// Copyright (C) 2003-2026, Foxit Software Inc..
// All Rights Reserved.
//
// http://www.foxitsoftware.com
//
// The following code is copyrighted and contains proprietary information and trade secrets of Foxit Software Inc..
// You cannot distribute any part of Foxit PDF SDK to any third party or general public,
// unless there is a separate license agreement with Foxit Software Inc. which explicitly grants you such rights.
//
// This file contains an example to demonstrate how to use Foxit PDF SDK to convert Word or Excel files to PDF files.

using System;

using foxit;
using foxit.common;
using foxit.common.fxcrt;
using foxit.pdf;
using System.IO;
using System.Runtime.InteropServices;
using foxit.addon.conversion.office2pdf;

namespace office2pdfCS
{
    class office2pdf
    {
        private const string input_path = "../input_files/";
        private const string output_path = "../output_files/office2pdf/";
        static void Main(string[] args)
        {
            System.IO.Directory.CreateDirectory(output_path);

            string sn = "Rew1vB0TqoMIxX444UcpScARWdhgJpsJfzmyMLR32a0+EgrCjp2NaQ==";
            string key = "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";

            // Initialize library
            ErrorCode error_code = Library.Initialize(sn, key);
            if (error_code != ErrorCode.e_ErrSuccess)
            {
                if (ErrorCode.e_ErrInvalidLicense == error_code)
                    Console.WriteLine("[Failed] Current used Foxit PDF SDK key information is invalid.");
                else
                    Console.WriteLine("Library Initialize Error: {0}", error_code);
                return;
            }

            try
            {
                // Conver Word file to PDF file.
                string word_file_path = input_path + "AboutFoxit.docx";
                string saved_pdf_path = output_path + "word2pdf_result.pdf";

                using (foxit.addon.conversion.Word2PDFSettingData word_convert_setting_data = new foxit.addon.conversion.Word2PDFSettingData())
                {
                    foxit.addon.conversion.Convert.FromWord(word_file_path, "", saved_pdf_path, word_convert_setting_data, foxit.addon.conversion.Convert.Office2PdfEngine.e_Office2PdfEngineMicrosoft);
                    Console.WriteLine("Convert Word file to PDF file.");
                }

                // Conver Excel file to PDF file.
                string excel_file_path = input_path + "test.xlsx";
                saved_pdf_path = output_path + "excel2pdf_result.pdf";

                using (foxit.addon.conversion.Excel2PDFSettingData excel_convert_setting_data = new foxit.addon.conversion.Excel2PDFSettingData())
                {
                    foxit.addon.conversion.Convert.FromExcel(excel_file_path, "", saved_pdf_path, excel_convert_setting_data, foxit.addon.conversion.Convert.Office2PdfEngine.e_Office2PdfEngineMicrosoft);
                    Console.WriteLine("Convert Excel file to PDF file.");
                }

                // Conver PowerPoint file to PDF file.
                string ppt_file_path = input_path + "test.pptx";
                saved_pdf_path = output_path + "ppt2pdf_result.pdf";

                using (foxit.addon.conversion.PowerPoint2PDFSettingData ppt_convert_setting_data = new foxit.addon.conversion.PowerPoint2PDFSettingData())
                {
                    foxit.addon.conversion.Convert.FromPowerPoint(ppt_file_path, "", saved_pdf_path, ppt_convert_setting_data, foxit.addon.conversion.Convert.Office2PdfEngine.e_Office2PdfEngineMicrosoft);
                    Console.WriteLine("Convert PowerPoint file to PDF file.");
                }

                //If you want to convert office files to PDF whitout other third-party engines, you can use the Office2PDF module.
                string library_path = "";//Path of Foxit Conversion SDK library, Please ensure the path is valid.
                // Initialize the Office2PDF module.
                foxit.addon.conversion.office2pdf.Office2PDF.Initialize(library_path);
                // Use default Office2PDFSettingData values.
                using (foxit.addon.conversion.office2pdf.Office2PDFSettingData office2pdf_setting_data = new foxit.addon.conversion.office2pdf.Office2PDFSettingData())
                {
                    //A valid path of a folder which contains resource data files.
                    office2pdf_setting_data.resource_folder_path = "";
                    //Convert Word file to PDF file.
                    saved_pdf_path = output_path + "word2pdf_result_foxit.pdf";
                    foxit.addon.conversion.office2pdf.Office2PDF.ConvertFromWord(word_file_path, "", saved_pdf_path, office2pdf_setting_data);

                    //Convert Excel file to PDF file.
                    saved_pdf_path = output_path + "excel2pdf_result_foxit.pdf";
                    foxit.addon.conversion.office2pdf.Office2PDF.ConvertFromExcel(excel_file_path, "", saved_pdf_path, office2pdf_setting_data);

                    //Convert PowerPoint file to PDF file.
                    saved_pdf_path = output_path + "ppt2pdf_result_foxit.pdf";
                    foxit.addon.conversion.office2pdf.Office2PDF.ConvertFromPowerPoint(ppt_file_path, "", saved_pdf_path, office2pdf_setting_data);
                }
                foxit.addon.conversion.office2pdf.Office2PDF.Release();
            }
            catch (foxit.PDFException e)
            {
                switch(e.GetErrorCode()) {
                    case ErrorCode.e_ErrNoConversionModuleRight:
                        Console.WriteLine("[Failed] Conversion module is not contained in current Foxit PDF SDK keys.");
                        break;
                    case ErrorCode.e_ErrNoMicroOfficeInstalled:
                        Console.WriteLine("[Failed] No Microsoft Office is installed in current system, so fail to do conversion from Word/Excel/PowerPoint to PDF.");
                        break;
                    default:
                        Console.WriteLine(e.Message);
                        break;
                }
            }

            Library.Release();
        }
    }
}
