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Get Started - Load and Edit a PDF File

officefileapi-17701-pdf-document-api-getting-started.md

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Get Started - Load and Edit a PDF File

  • Sep 01, 2025
  • 3 minutes to read

Important

You need a license for the DevExpress Office File API Subscription or DevExpress Universal Subscription to use these examples in production code.

This article describes how to get started with the non-visual PDF processing component for .NET and .NET Framework.

Create a .NET Application

Perform the following steps to get started with the non-visual PDF processing component:

  1. Run Microsoft Visual Studio and create a new Console Application project.

  2. Install the DevExpress.Document.Processor NuGet package.

  3. Paste the code below in the Main method of the Program.cs file (Main procedure of the Module1.vb file for Visual Basic).

  4. Run the project. After executing the code above, the pages are rotated and the new document is saved to the specified location.

Create a .NET Framework Application

  1. Run Microsoft Visual Studio and create a new Console Application (.NET Framework) project.

  2. Install the DevExpress.Document.Processor NuGet package or add references to the following libraries (if you have the DevExpress Unified Component Installer installed on your machine):

  3. Paste the code below in the Main method of the Program.cs file (Main procedure of the Module1.vb file for Visual Basic).

  4. Run the project. After executing the code above, the pages are rotated and the new document is saved to the specified location.

See Also

Generate Documents from Scratch with DevExpress PDF Document API

Additional Content

Protection in PDF Documents

Sign PDF Documents with PDF Document API