PdfDocumentProcessor Class

A non-visual component that allows you to generate PDF files from scratch and manipulate existing documents.

Namespace: DevExpress.Pdf

Assembly: DevExpress.Docs.v21.1.dll

NuGet Package: DevExpress.Document.Processor

Declaration

C#

public class PdfDocumentProcessor :
    PdfDisposableObject

VB.NET

Public Class PdfDocumentProcessor
    Inherits PdfDisposableObject

Remarks

The DevExpress PDF Document API allows you to create, edit, merge, split, password protect, and digitally sign PDF files in code.

• Get Started
• Task-Based Examples

You need a license for the DevExpress Office File API Subscription or DevExpress Universal Subscription to use the PDF Document API.

Warning

The PdfDocumentProcessor should not be accessed simultaneously by different threads.

Example

This example shows how to use PDF Graphics API to create a document with graphics content.

View Example

Program.cs

using DevExpress.Pdf;
using System;
using System.Drawing;
//...

using (PdfDocumentProcessor processor = new PdfDocumentProcessor())
{

    // Create an empty document.
    processor.CreateEmptyDocument("..\\..\\Result.pdf");

    // Create and draw PDF graphics.
    using (PdfGraphics graph = processor.CreateGraphics())
    {
        DrawGraphics(graph);

        // Render a page with graphics.
        processor.RenderNewPage(PdfPaperSize.Letter, graph);
    }
}


static void DrawGraphics(PdfGraphics graph)
{
    // Draw text lines on the page.
    SolidBrush black = (SolidBrush)Brushes.Black;

    using (Font font1 = new Font("Times New Roman", 32, FontStyle.Bold))
    {
        graph.DrawString("PDF Document Processor", font1, black, 180, 150);
    }
    using (Font font2 = new Font("Arial", 20))
    {
        graph.DrawString("Display, Print and Export PDF Documents", font2, black, 168, 230);
    }
    using (Font font3 = new Font("Arial", 10))
    {
        graph.DrawString("The PDF Document Processor is a non-visual component " +
                            "that provides the application programming interface of the PDF Viewer.", font3, black, 16, 300);
    }
}

Program.vb

Imports DevExpress.Pdf
Imports System
Imports System.Drawing
'...

Using processor As New PdfDocumentProcessor()

    ' Create an empty document.
    processor.CreateEmptyDocument("..\..\Result.pdf")

    ' Create and draw PDF graphics.
    Using graph As PdfGraphics = processor.CreateGraphics()
        DrawGraphics(graph)

        ' Render a page with graphics.
        processor.RenderNewPage(PdfPaperSize.Letter, graph)
    End Using
End Using

Private Shared Sub DrawGraphics(ByVal graph As PdfGraphics)

    ' Draw text lines on the page. 
    Dim black As SolidBrush = CType(Brushes.Black, SolidBrush)
    Using font1 As New Font("Times New Roman", 32, FontStyle.Bold)
        graph.DrawString("PDF Document Processor", font1, black, 180, 150)
    End Using
    Using font2 As New Font("Arial", 20)
        graph.DrawString("Display, Print and Export PDF Documents", font2, black, 168, 230)
    End Using
    Using font3 As New Font("Arial", 10)
        graph.DrawString("The PDF Document Processor is a non-visual component " & "that provides the application programming interface of the PDF Viewer.", font3, black, 16, 300)
    End Using
End Sub

Inheritance

Object

DevExpress.Pdf.Native.PdfDisposableObject

PdfDocumentProcessor