PDF layer is a feature that arranges the content of a PDF file in layers, which allows users to selectively set some content to be visible and others to be invisible in the same PDF file. PDF layers are a common element used in layered artwork, maps and CAD drawings. This article will demonstrate how to programmatically add, hide or delete layers in a PDF file using Spire.PDF for .NET.

Creating PDF documents from code offers a wide range of benefits. For example, you can easily incorporate dynamic content such as user input, database records, or real-time data. Code-based PDF generation allows for greater customization and automation, minimizing manual intervention in creating highly tailored documents. In this article, you will learn how to create a PDF document from scratch in C# and VB.NET using Spire.PDF for .NET.