How to: Import the AcroForm Data

• May 24, 2019
• 2 minutes to read

This example demonstrates how to import AcroForm data (interactive form data) from XML or FDF format to a PDF document.

• Load a document with interactive forms (e.g., from a file path) into the PDF Viewer using the DocumentViewerControl.OpenDocument method.

• Call the PdfViewerControl.ImportFormData method in the PdfViewerControl.DocumentLoadedEvent event handler.

  The import method invokes the Open dialog window, where you can specify the file name and file format (XML or FDF) from which a PDF document with interactive form is loaded.

• To save the imported document, (e.g., to a file), call the PdfViewerControl.SaveDocument method with a specified file name, including a file path where the imported document will be located.

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-import-the-acroform-data-t274735.

MainWindow.xaml

<Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:dxpdf="http://schemas.devexpress.com/winfx/2008/xaml/pdf"
        x:Class="ImportFormData.MainWindow"
        Title="MainWindow" Height="450" Width="600">
    <Grid>

        <dxpdf:PdfViewerControl x:Name="Viewer"
                                DocumentLoaded="Viewer_DocumentLoaded"
                                DocumentClosing="Viewer_DocumentClosing"/>
    </Grid>
</Window>

MainWindow.xaml.cs

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

namespace ImportFormData {

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

            //Load a PDF file with an interactive form
            Viewer.OpenDocument("..\\..\\FormFillDemo.pdf");
        }

        private void Viewer_DocumentLoaded(object sender, RoutedEventArgs e)
        {
            //Import data for an interactive form and save the result
            Viewer.ImportFormData();
            Viewer.SaveDocument("..\\..\\ImportedDocument.pdf");
        }

        //Disable the Save File dialog
        private void Viewer_DocumentClosing(DependencyObject d, DocumentClosingEventArgs e)
        {
            e.SaveDialogResult = MessageBoxResult.Cancel;
            e.Handled = true;
        }
    }
}

MainWindow.xaml.vb

Imports DevExpress.Xpf.PdfViewer
Imports System.Windows

Namespace ImportFormData

    Partial Public Class MainWindow
        Inherits Window

        Public Sub New()
            InitializeComponent()
            ' Load a PDF file with an interactive form
            Viewer.OpenDocument("..\..\FormFillDemo.pdf")
        End Sub

        Private Sub Viewer_DocumentLoaded(ByVal sender As Object, ByVal e As RoutedEventArgs)

            ' Import data for an interactive form and save the result
            Viewer.ImportFormData()
            Viewer.SaveDocument("..\..\ImportedDocument.pdf")
        End Sub

        ' Disable the Save File dialog
        Private Sub Viewer_DocumentClosing(ByVal d As DependencyObject, ByVal e As DocumentClosingEventArgs)
            e.SaveDialogResult = MessageBoxResult.Cancel
            e.Handled = True
        End Sub
    End Class
End Namespace