Split PDF file from C# / VB.NET applications

PDF Split-Merge SDK DLL Library can be used to split and merge PDF files

PDF Split Merge ActiveX DLL - add PDF Split, PDF Merge feature to your Windows or Web application.

Split PDF into Multiple PDFs using a Range of Pages in C#/VB.NET

C#/VB.NET – How to Print PowerPoint Documents – Coding With File Formats

Create or Generate PDF file in C# and VB.NET

C#/VB.NET - How to Merge or Split PDF Documents, by Alex Stock

File Splitter in .NET

How to use ps2pdfsdk from 64bit C# application

PDF Focus .Net - Convert PDF to Word in C# and .NET

NET PDF Framework, C# and VB.NET PDF API

C#/VB.NET: Split PDF into Multiple PDF Files