How to: Customize the Popup Menu

• Aug 29, 2018
• 2 minutes to read

This example shows how to customize the page content popup menu - remove specific items and add the “Save As…” item.

To do this, handle the PdfViewerControl.PopupMenuShowing event and use the PopupMenuShowingEventArgs.Actions property.

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-customize-the-popup-menu-t612865.

Application.xaml.vb

Imports System
Imports System.Collections.Generic
Imports System.Configuration
Imports System.Data
Imports System.Linq
Imports System.Threading.Tasks
Imports System.Windows

Namespace PopupMenuShowing
    ''' <summary>
    ''' Interaction logic for App.xaml
    ''' </summary>
    Partial Public Class App
        Inherits Application

    End Class
End Namespace

MainWindow.xaml.vb

Imports System.Windows
Imports DevExpress.Xpf.PdfViewer
Imports DevExpress.Xpf.Bars

Namespace PopupMenuShowing

    Partial Public Class MainWindow
        Inherits Window

        Public Sub New()
            InitializeComponent()

            ' Load a document.
            viewer.OpenDocument("..\..\Demo.pdf")
        End Sub

        Private Sub Viewer_PopupMenuShowing(ByVal d As DependencyObject, ByVal e As PopupMenuShowingEventArgs)

            ' Remove the Hand tool item from the page context popup menu.
            Dim removeHandTool As New RemoveAction()
            removeHandTool.ElementName = DefaultPdfBarManagerItemNames.HandTool
            e.Actions.Add(removeHandTool)

            ' Remove the Select All item from the page context popup menu.
            Dim removeSelectAll As New RemoveAction()
            removeSelectAll.ElementName = DefaultPdfBarManagerItemNames.SelectAll
            e.Actions.Add(removeSelectAll)

            ' Insert the "Save As..." item invoking the Save As dialog.
            Dim barButtonItem As New BarButtonItem()
            barButtonItem.Content = "Save As..."
            barButtonItem.Command = viewer.SaveAsCommand
            Dim insertBarButtonItem As New InsertAction()
            insertBarButtonItem.ContainerName = DefaultPdfBarManagerItemNames.ContextMenu
            insertBarButtonItem.Element = barButtonItem
            e.Actions.Add(insertBarButtonItem)
        End Sub
    End Class
End Namespace

MainWindow.xaml

<Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:PopupMenuShowing"
        xmlns:dxpdf="http://schemas.devexpress.com/winfx/2008/xaml/pdf" x:Class="PopupMenuShowing.MainWindow"
        mc:Ignorable="d"
        Title="MainWindow" Height="350" Width="525">
    <Grid>

        <dxpdf:PdfViewerControl x:Name="viewer" PopupMenuShowing="Viewer_PopupMenuShowing"/>

    </Grid>
</Window>

MainWindow.xaml.cs

using System.Windows;
using DevExpress.Xpf.PdfViewer;
using DevExpress.Xpf.Bars;

namespace PopupMenuShowing {

    public partial class MainWindow : Window {
        public MainWindow() {
            InitializeComponent();

            // Load a document.
            viewer.OpenDocument("..\\..\\Demo.pdf");
        }

        private void Viewer_PopupMenuShowing(DependencyObject d, PopupMenuShowingEventArgs e) {

            // Remove the Hand tool item from the page context popup menu.
            RemoveAction removeHandTool = new RemoveAction();
            removeHandTool.ElementName = DefaultPdfBarManagerItemNames.HandTool;
            e.Actions.Add(removeHandTool);

            // Remove the Select All item from the page context popup menu.
            RemoveAction removeSelectAll = new RemoveAction();
            removeSelectAll.ElementName = DefaultPdfBarManagerItemNames.SelectAll;
            e.Actions.Add(removeSelectAll);

            // Insert the "Save As..." item invoking the Save As dialog.
            BarButtonItem barButtonItem = new BarButtonItem();
            barButtonItem.Content = "Save As...";
            barButtonItem.Command = viewer.SaveAsCommand;
            InsertAction insertBarButtonItem = new InsertAction();
            insertBarButtonItem.ContainerName = DefaultPdfBarManagerItemNames.ContextMenu;
            insertBarButtonItem.Element = barButtonItem;
            e.Actions.Add(insertBarButtonItem);
        }
    }
}