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

# 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 with Visual Studio and the WDK](https://docs.microsoft.com/windows-hardware/drivers/develop/building-a-driver)

[v4 Printer Driver](https://docs.microsoft.com/windows-hardware/drivers/print/v4-printer-driver)