Usbview.exe is a Windows GUI application that allows you to browse all USB controllers and connected USB devices on your system. The left pane in the main application window displays a connection-oriented tree view, and the right pane displays the US...

DevCon is a command-line tool that displays detailed information about devices, and lets you search for and manipulate devices from the command line. DevCon enables, disables, installs, configures, and removes devices on the local computer and displ...

The purpose of each respective GATT sample is to demonstrate how to implement a basic Windows Portable Device (WPD) driver that will work with a blood pressure monitor, a heart rate monitor, thermometer, and the Texas Instrument's CC2540 Mini Develop...

The WpdHelloWorld sample driver supports four objects: a device object, a storage object, a folder object, and a file object. Each object supports corresponding properties. These properties are defined in the file WpdObjectProperties.h.

The Toaster collection is an iterative series of samples that demonstrate fundamental aspects of Windows driver development.

The WFPSampler is a sample firewall. It has a command-line interface which allows adding filters at various WFP layers with the myriad of conditions. Additionally it exposes callouts for injection, basic action, proxying, and stream inspection.

The HID Client Sample driver (Fx2HID.dll) illustrates how to expose vendor-specific functionality on a HID collection. This sample is designed to work with the OSR USB FX2 Learning Kit board and the Custom driver access Windows Store app.

The Serial (16550-based RS-232) sample driver is a WDF version of the inbox Serial.sys driver in %WINDIR%\system32\drivers.

This sample demonstrates how to use the User-Mode Driver Framework to write a minimal driver and shows best practices.

The Ndislwf sample is currently a do-nothing pass-through NDIS 6 filter driver that demonstrates the basic principles underlying an NDIS 6.0 Filter driver. The sample is a replacement of NDIS 5 Sample Intermediate Driver (Passthru driver).

The USBSAMP sample demonstrates how to perform full speed, high speed, and SuperSpeed transfers to and from bulk and isochronous endpoints of a generic USB device. USBSAMP is based on the Kernel Mode Driver Framework (KMDF). Superspeed bulk and isoch...

The Microsoft virtual audio device (MSVAD) driver sample is a collection of sample drivers that demonstrate the basics of writing a WDM audio driver. All the sample drivers use the same "virtual audio device" instead of an actual hardware-based adapt...

The Minispy sample is a tool to monitor and log any I/O and transaction activity that occurs in the system. Minispy is implemented as a minifilter.

The HClient sample demonstrates how to write a user-mode client application that communicates with HID devices. (These are devices that conform to the HID device class specification.)

The kernel mode display-only miniport driver (KMDOD) sample implements most of the device driver interfaces (DDIs) that a display-only miniport driver should provide to the Windows Display Driver Model (WDDM). The code is useful to understand how to ...

The Windows Image Acquisition driver sample set contains samples and test tools for Windows Image Acquisition (WIA), a driver architecture and user interface for acquiring images from still image devices such as scanners and digital still cameras.

The RAMDisk sample demonstrates how to write a PnP software only function driver using Windows Driver Framework. This driver creates a RAM disk drive of a specified size. This RAM disk can be used like any other disk, but the contents of the disk wil...

The AVStream simulated hardware sample driver (Avshws) provides a pin-centric AVStream capture driver for a simulated piece of hardware. This streaming media driver performs video captures at 320 x 240 pixels in either RGB24 or YUV422 format using di...

The Kbdfltr sample is an example of a keyboard input filter driver.

The sample driver demonstrates the packet modification capabilities of the Windows Filtering Platform (WFP).

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 dri...

The HID minidriver sample (WudfVhidmini.dll) demonstrates how to write a HID minidriver using the User-Mode Driver Framework (UMDF).

This sample demonstrates serial drivers. It includes a simple virtual serial driver (ComPort) and a controller-less modem driver (FakeModem). This driver supports sending and receiving AT commands using the ReadFile and WriteFile calls or via a TAPI ...

This sample demonstrates how to write driver for a generic PCI device using Windows Driver Framework. The target hardware for this driver is PLX9656/9653RDK-LITE board. The product kit and the hardware specification are available at http://www.plxtec...

The Scanner minifilter is an example for developers who intend to write filters that examine data in files. Typically, antivirus products fall into this category.

This sample driver demonstrates the traffic inspection capabilities of the Windows Filtering Platform (WFP).

The kmdf_fx2 sample is a Kernel-Mode Driver Framework (KMDF) driver for the OSR USB-FX2 device. It includes a test app and sample device metadata.

Provides a driver MFT for use with a camera's Windows Store device app.

Firefly is a KMDF-based filter driver for a HID device. Along with illustrating how to write a filter driver, this sample shows how to use remote I/O target interfaces to open a HID collection in kernel-mode and send IOCTL requests to set and get fe...

The AVStream filter-centric simulated capture sample driver (Avssamp) provides a filter-centric AVStream capture driver with functional audio. This streaming media driver performs video captures at 320 x 240 pixel resolution in RGB24 or YUV422 format...

The HID sample driver for sensors demonstrates how an OEM or IHV could write a UMDF driver to support sensors that are compliant with the HID Sensor Class Driver specification. This driver is also helpful for IHVs who must design and test firmware fo...

The umdf_fx2 sample is a User-Mode Driver Framework (UMDF) driver for the OSR USB-FX2 device. It includes a test app and sample device metadata, and supports impersonation and idle power down.

The fastfat sample is file system driver that you can use as a model to write new file systems.

This sample demonstrates how to write a KMDF driver for a PCI device. The sample works with the Intel 82557/82558 based PCI Ethernet Adapter (10/100) and Intel compatibles.

The Print Monitors samples contain monitors which handle communications between the print spooler and other print control elements.

This sample is intended to provide a starting point for developing XPSDrv printer drivers and to illustrate the facility and potential of an XPSDrv print driver. This goal is accomplished by implementing a number of real-world features within a set o...

The Moufiltr sample is an example of a mouse input filter driver.

The AvScan minifilter is a transaction-aware file scanner. This is an example for developers who intend to write filters that examine data in files. Typically, anti-virus products fall into this category.

This sample demonstrates how to write driver for a generic PCI device by using the Windows Driver Framework.

The sample code illustrates the typical behavior of a Native Wi-Fi miniport driver. This driver is an NDIS 6.20 miniport driver that conforms to the Microsoft Native Wi-Fi miniport driver specification.

This sample demonstrates the usage of four different types of IOCTLs (METHOD_IN_DIRECT, METHOD_OUT_DIRECT, METHOD_NEITHER, and METHOD_BUFFERED).

The WMIACPI sample contains ACPI BIOS and Microsoft Windows Management Instrumentation (WMI) sample code that enables instrumentation of the ACPI BIOS from within ACPI Source Language (ASL) code. ASL code can expose data blocks, methods, and events t...

This sample demonstrates how to implement advanced constraint handling, and also PrintTicket/PrintCapabilities handling using JavaScript.

The OEMDLL samples are an illustration of OEM customization plug-ins. The BITMAP, OEMPS, OEMUI, OEMUNI, OEMPREAN, CUSTHLP, SyncSet, ThemeUI, PSUIRep, and Watermark samples do not affect the printer output. They are only examples of how to build OEM C...

The NDIS Virtual Miniport Driver sample illustrates the functionality of a deserialized NDIS miniport driver without requiring a physical network adapter.

The SCSI Pass Through Interface sample demonstrates how to communicate with a SCSI device from Microsoft Win32 applications by using the DeviceIoControl API.

The PCMCIA Smart Card Driver is used for the SCM PCMCIA smart card reader. This driver is written using Kernel-Mode Driver Framework.

This sample demonstrates developing Bluetooth L2CAP profile drivers using Bluetooth L2CAP DDIs.

Tracedrv is a sample driver instrumented for software tracing. The driver does not control any hardware; it simply generates trace messages. It is designed to show how to use WPP software tracing macros in a driver.

The PassThrough minifilter demonstrates how to specify callback functions for different types of I/O requests.

This directory contains a sample AC97 adapter driver and several related code samples. The AC97 driver sample shows how to develop a WDM audio adapter driver that incorporates a wavePci miniport driver for the AC97 controller's wave audio device.

This sample driver demonstrates replacing a string pattern for a Transmission Control Protocol (TCP) connection using the Windows Filtering Platform (WFP).

The Windows Biometric Driver Samples contain the Windows Biometric Driver Interface sample and the Windows Biometric Service Adapter samples.

The DiskPerf filter driver monitors disk access and captures performance data. This driver supports Plug and Play (PnP), power management, and Microsoft Windows Management Instrumentation (WMI).

The umdf_filter_umdf sample demonstrates how to load a User-Mode Driver Framework (UMDF) filter driver as an upper filter driver above the umdf_fx2 sample driver.

The ECHO (KMDF) sample demonstrates how to use a sequential queue to serialize read and write requests presented to the driver.

The Microsoft Audio Engine Virtual Audio Device Driver (AEVAD) sample driver demonstrates how to develop a WDM audio driver that exposes support for audio offloading. The driver uses a "virtual audio device" instead of an actual hardware-based adapt...

The geolocation sample driver demonstrates a minimal UMDF driver that emulates a Global Positioning System (GPS) device. Note that this sample is applicable to other global navigation satellite system (GNSS) solutions.

The MPIO DSM Sample is intended to serve as an example to follow when building your own vendor specific device specific modules (DSM). This sample DSM supports iSCSI and Fibre Channel devices.

This sample consists of a KMDF function driver and a UMDF upper filter driver that together represent a 1394 virtual device. The sample demonstrates application to device interaction, as well as use of both UMDF and KMDF in the same device stack.