PageVisibleArea

Namespace:

ceTe.DynamicPDF.Viewer

Assemblies:

DynamicPDF.Viewer.dll

Provides the details of visible area of a page.

public class PageVisibleArea

Public Class PageVisibleArea

Inheritance: ObjectPageVisibleArea

Licensing Info

This class is a DynamicPDF Viewer feature. One of the following is required for non-evaluation usage:

• An active DynamicPDF Subscription
• An active DynamicPDF Professional or Professional Plus Subscription with DynamicPDF Viewer selected.
• A DynamicPDF Viewer for .NET v3.X Developer license.

Examples

Imports System
Imports System.Windows.Forms
Imports ceTe.DynamicPDF.Viewer

Public Class Form1
    Inherits System.Windows.Forms.Form

    Private MyPdfViewer As PdfViewer

    Sub New()
        InitializeComponent()
    End Sub

    Private Sub InitializeComponent()
        Me.MyPdfViewer = New PdfViewer()
        Me.Controls.Add(MyPdfViewer)
    End Sub

    Shared Sub Main()
        Application.Run(New Form1())
    End Sub			
    
    Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs) Handles MyBase.Load
        ' Load and Open the document in Viewer.
        Dim MyDocument As New PdfDocument("C:\MyDocument.pdf")
        MyPdfViewer.Open(MyDocument)

        'Get a view to calculate visible page area
        Dim MyCurrentView As ceTe.DynamicPDF.Viewer.View = MyPdfViewer.GetCurrentView()

        'Get the array of pages with their visible area
        Dim MyVisibleAreaArray As PageVisibleArea() = MyPdfViewer.GetPageVisibleArea(MyCurrentView)

        'Get the details of visible page area
        Dim pageNumber As Integer = MyVisibleAreaArray(0).PageNumber
        Dim left As Single = MyVisibleAreaArray(0).Left
        Dim top As Single = MyVisibleAreaArray(0).Top
        Dim right As Single = MyVisibleAreaArray(0).Right
        Dim bottom As Single = MyVisibleAreaArray(0).Bottom

    End Sub

End Class						

using System;
using System.Windows.Forms;
using ceTe.DynamicPDF.Viewer;

namespace DynamicPDFViewerDemo
{
    public class Form1 : Form
    {
        private ceTe.DynamicPDF.Viewer.PdfViewer pdfViewer;

        public Form1()
        {
            InitializeComponent();
            this.Load += new EventHandler(Form1_Load);
        }

        private void InitializeComponent()
        {
            this.pdfViewer = new PdfViewer();
            this.Controls.Add(pdfViewer);
        }

        [STAThread]
        static void Main()
        {
            Application.Run(new Form1());
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            // Load and Open the document in Viewer.
            PdfDocument document = new PdfDocument(@"C:\MyDocument.pdf");
            pdfViewer.Open(document);

            // Get a view to calculate visible page area
            ceTe.DynamicPDF.Viewer.View currentView = pdfViewer.GetCurrentView();

            // Get the array of pages with their visible area
            PageVisibleArea[] visibleAreaArray = pdfViewer.GetPageVisibleArea(currentView);

            // Get the details of visible page area
            int pageNumber = visibleAreaArray[0].PageNumber;
            float left = visibleAreaArray[0].Left;
            float top = visibleAreaArray[0].Top;
            float right = visibleAreaArray[0].Right;
            float bottom = visibleAreaArray[0].Bottom;
        }
    }
}

Properties

Methods

See Also