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DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

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How to: Determine the Page Number of a Clicked PDF Page

This example shows how to determine what page was clicked in a document.

using System.IO;
using System.Reflection;
using System.Windows.Forms;
using DevExpress.Pdf;
using DevExpress.XtraBars.Ribbon;


namespace PageHitTest
{

    public partial class Form1 : RibbonForm
    {
        public Form1()
        {
            InitializeComponent();

            Stream stream = GetResourceStream("PageHitTest.demo.pdf");
            pdfViewer.LoadDocument(stream);
        }

        static Stream GetResourceStream(string resourceName)
        {
            return Assembly.GetExecutingAssembly().GetManifestResourceStream(resourceName);
        }

        void pdfViewer_MouseClick(object sender, MouseEventArgs e)
        {
            PdfDocumentPosition position = pdfViewer.GetDocumentPosition(e.Location, true);
            MessageBox.Show(string.Format("You clicked on page {0}", position.PageNumber));
        }
    }
}