---
page_type: sample
description: "Demonstrates how to use .NET to build a customized, desktop UI for a v4 print driver."
languages:
- csharp
products:
- windows
---

<!---
    name: Printer Extension Sample
    platform: Application
    language: cs
    category: Print
    description: Demonstrates how to use .NET to build a customized, desktop UI for a v4 print driver.
    samplefwlink: http://go.microsoft.com/fwlink/p/?LinkId=617945
--->

# Printer Extension Sample

This sample demonstrates how to use .NET to build a customized, desktop UI for a v4 print driver. This .NET app uses PrintTicket, PrintCapabilities and Bidi in order to communicate with the print system and is suitable for inclusion in a v4 print driver.

**Note** This sample is for the v4 print driver model.

# Related topics

[Building a Driver](http://msdn.microsoft.com/en-us/library/windows/hardware/ff554644)

[v4 Print Driver Interfaces and Enumerations](http://msdn.microsoft.com/en-us/library/hh464103(v=vs.85).aspx)