Document.BookmarkNodes Property

Provides access to the collection of bookmarks available in the document and displayed in the Document Map of Print Preview.

Namespace: DevExpress.XtraPrinting

Assembly: DevExpress.Printing.v23.2.Core.dll

NuGet Package: DevExpress.Printing.Core

Declaration

C#

public IBookmarkNodeCollection BookmarkNodes { get; }

VB.NET

Public ReadOnly Property BookmarkNodes As IBookmarkNodeCollection

Property Value

Type	Description
DevExpress.XtraPrinting.IBookmarkNodeCollection	A DevExpress.XtraPrinting.IBookmarkNodeCollection object, specifying the collection of bookmarks.

Example

This example illustrates how to make Print Preview display a Document Map listing all bookmarks assigned to a Document‘s elements.

The following code adds five bricks to the Detail section of a document and then assigns bookmarks to each brick.

Note that the Document Map button is automatically enabled in Print Preview when a displayed document has any bookmarks.

Form1.cs

using System;
using System.Drawing;
using System.Windows.Forms;
using DevExpress.XtraPrinting;
using DevExpress.XtraPrinting.Native;
// ...
        private void button1_Click(object sender, EventArgs e) {
            // Create a new Printing System.
            PrintingSystem ps = new PrintingSystem();

            // Create a new link and add a handler to its CreateDetailArea event.
            Link link = new Link(ps);
            link.CreateDetailArea += new CreateAreaEventHandler(OnDocumentCreated);

            // Create a document for the link.
            link.CreateDocument();

            // Create a document's map.
            CreateDocumentMap(ps.Document);

            // Show the report's preview.
            link.ShowPreview();

            // Remove the handler for the CreateDetailArea event.
            link.CreateDetailArea -= new CreateAreaEventHandler(OnDocumentCreated);
        }

        private void OnDocumentCreated(object sender, CreateAreaEventArgs e) {
            // Draw 5 bricks on a document.
            for (int i = 0; i < 5; i++) {
                TextBrick brick = new TextBrick();
                brick.Text = "Item #" + (i + 1).ToString();
                brick.BackColor = Color.Yellow;
                brick.Rect = new Rectangle(10, i * 100, 100, 50);
                e.Graph.DrawBrick(brick, brick.Rect);
            }
        }

        private void CreateDocumentMap(Document document) {
            // Create a collection of 'Page and Brick' pairs.
            BrickPagePairCollection pairs = new BrickPagePairCollection();

            // Create an enumerator of all document bricks.
            DocumentBrickEnumerator en = new DocumentBrickEnumerator(document);

            // Add the 'Brick-Page' pairs for all document bricks.
            while (en.MoveNext()) {
                pairs.Add(BrickPagePair.Create(en.Brick, en.Page));
            }

            // Add bookmarks for all pairs to the document's map.
            foreach (BrickPagePair pair in pairs) {
                Page page = document.Pages[pair.PageIndex];

                Brick brick = page.GetBrickByIndices(pair.BrickIndices) as Brick;
                string BrickText = ((TextBrick)brick).Text;
                BookmarkNode mapNode = new BookmarkNode(BrickText, brick, page);
                document.BookmarkNodes.Add(mapNode);
            }
        }

Form1.vb

Imports System.Drawing
Imports System.Windows.Forms
Imports DevExpress.XtraPrinting
Imports DevExpress.XtraPrinting.Native
' ...
    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        ' Create a new Printing System.
        Dim ps As New PrintingSystem()

        ' Create a new link and add a handler to its CreateDetailArea event.
        Dim link As New Link(ps)
        AddHandler link.CreateDetailArea, AddressOf OnDocumentCreated

        ' Create a document for the link.
        link.CreateDocument()

        ' Create a document's map.
        CreateDocumentMap(ps.Document)

        ' Show the report's preview.
        link.ShowPreview()
    End Sub

    Private Sub OnDocumentCreated(ByVal sender As Object, ByVal e As CreateAreaEventArgs)
        ' Draw 5 bricks on a document.
        For i As Integer = 0 To 4
            Dim brick As New TextBrick()
            brick.Text = "Item #" & (i + 1).ToString()
            brick.BackColor = Color.Yellow
            brick.Rect = New Rectangle(10, i * 100, 100, 50)
            e.Graph.DrawBrick(brick, brick.Rect)
        Next i
    End Sub

    Private Sub CreateDocumentMap(ByVal document As Document)
        ' Create a collection of 'Page and Brick' pairs.
        Dim Pairs As New BrickPagePairCollection()

        ' Create an enumerator of all document bricks.
        Dim en As New DocumentBrickEnumerator(document)

        ' Add the 'Brick-Page' pairs for all document bricks.
        While en.MoveNext()
            Pairs.Add(BrickPagePair.Create(en.Brick, en.Page))
        End While

        ' Add bookmarks for all pairs to the document's map.
        Dim Pair As BrickPagePair
        For Each Pair In Pairs
            Dim page As Page = document.Pages(Pair.PageIndex)
            Dim brick As Brick = CType(page.GetBrickByIndices(Pair.BrickIndices), Brick)
            Dim BrickText As String = CType(brick, TextBrick).Text
            Dim mapNode As New BookmarkNode(BrickText, brick, page)
            document.BookmarkNodes.Add(mapNode)
        Next
    End Sub