How to use PDF Editor Toolkit Pro SDK from C# .net Core source code?

Support Team,

I am working at a software company. we are using VeryPDF in our current application. now We are developing a new application in .net Core but VeryPDF we used in existing application looks not support .net Core.

Do you have a version of VeryPDF for .net Core?


Thanks for your message, PDF Editor Toolkit Pro SDK is a Windows DLL Library, it can be called from any Windows applications and program languages, include C#, VB.NET, VB, C++, ASP, etc., if you wish call PDF Editor Toolkit Pro SDK from C# code, please look at following web pages for more information,

The latest version of PDF Editor Toolkit Pro SDK contains a "pdfshell.exe", it's a COM component, you can run following command line to register it into your Windows system with administrator privilege,

pdfshell.exe /regserver

after you register this COM properly, you can add a reference to pdfshell.exe from your C# source code, then you can "pdfshell" namespace from C# source code easily, for example,

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Reflection;
using System.Runtime.InteropServices;
using pdfshell;

namespace WindowsApplication_ImageStamp
    public partial class Form1 : Form
        public class ShellStamp : pdfshell.shellExeClass

        public Form1()

        private void button1_Click(object sender, EventArgs e)
            //create an instance for the COM class
            ShellStamp stamp = new ShellStamp();
            string basePath = @"D:\temp2";
            string inFile = basePath + @"\example.pdf";
            string outFile = basePath + @"\example_out.pdf";
            // Stamping on pdf is working fine
            // The value of id is 1 in this case
            int id = stamp.com_VeryStampOpen(inFile, outFile);
            int a = stamp.com_VeryStampAddText(id, 1, "Test string from shell",
                        255, 16, 0, 0, 0, 0, 0, 100, "Arial", 14, 0, string.Empty, 1);

            //stamping on tiff files is not working
            inFile = basePath + @"\multipage.tif";
            outFile = basePath + @"\example_stamp.tif";
            // The value of the id is -1 when the
            //Open file
            id= stamp.com_ImageStampOpen(inFile,outFile);
            //Stamp text
            a= stamp.com_ImageStampAddText_VB(id, 100, 100,
                  "TEst string2 from shell", 255, 1, 16, 0, "Arial");

If you encounter any problem when you use "pdfshell.exe" COM from C# source code, please feel free to let us know, we are glad to assist you asap.


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