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---
page_type: sample
description: "Demonstrates how to use UMDF version 1 to write a near-field proximity driver."
languages:
- cpp
products:
- windows
- windows-wdk
---
# Near-Field Proximity Sample Driver (UMDF Version 1)
> [!WARNING]
> UMDF 2 is the latest version of UMDF and supersedes UMDF 1. All new UMDF drivers should be written using UMDF 2. No new features are being added to UMDF 1 and there is limited support for UMDF 1 on newer versions of Windows 10. Universal Windows drivers must use UMDF 2.
>
> For more info, see [Getting Started with UMDF](https://docs.microsoft.com/windows-hardware/drivers/wdf/getting-started-with-umdf-version-2).
>
> The UMDF v1 sample can be accessed using `git checkout win11-22h2`. A direct link is: https://github.com/microsoft/Windows-driver-samples/tree/win11-22h2
This sample demonstrates how to use User-Mode Driver Framework (UMDF) version 1 to write a near-field proximity driver.
Typically, a near-field proximity driver would use near-field technologies such as Near Field Communication (NFC), TransferJet, or Bump. However, this sample uses a TCP/IPv6 network connection and a static configuration between two machines to simulate near-field interaction.
## See also
[Getting Started with UMDF](https://docs.microsoft.com/windows-hardware/drivers/wdf/getting-started-with-umdf-version-2)
[UMDF 1.x Design Guide](https://docs.microsoft.com/windows-hardware/drivers/wdf/user-mode-driver-framework-design-guide)
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