C# PDF Viewer - How to load

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C#

PDF

I have created a PDF Viewer from Adobe Reader and I have created setup file and installed to the machine and all pdf files are looks like my viewer icon.

My problem is, once open a pdf file from double click, pdf is not view, only the program is opening. Kindly see below my full code and please advise? Thanks!

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;

namespace QUICK_PDF_VIEWER_V2008
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void openToolStripMenuItem_Click(object sender, EventArgs e)
        {
            OpenFileDialog open = new OpenFileDialog();
            open.Title = "Open";
            open.Filter = "All File|*.*";

            try
            {
                if (open.ShowDialog() == System.Windows.Forms.DialogResult.OK)
                {
                    axAcroPDF1.LoadFile(open.FileName);

                }

            }
            catch (ArgumentException ex)
            {
                MessageBox.Show(ex.Message.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);

            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void aboutUsToolStripMenuItem_Click(object sender, EventArgs e)
        {
            MessageBox.Show("This is a Product of Adobe, Thanks", "", MessageBoxButtons.OK, MessageBoxIcon.Information);
        }

        private void axAcroPDF1_OnError(object sender, EventArgs e)
        {

        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }
    }
}