IWDFDriver interface (wudfddi.h)

[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.]

The IWDFDriver interface exposes the framework driver object that represents the driver image that is loaded in the host process.


The IWDFDriver interface inherits from IWDFObject. IWDFDriver also has these types of members:

  • Methods


The IWDFDriver interface has these methods.


The CreateDevice method configures and creates a new framework device object.

The CreatePreallocatedWdfMemory method creates a framework memory object for the specified buffer.

The CreateWdfMemory method creates a framework memory object and allocates, for the memory object, a data buffer of the specified nonzero size.

The CreateWdfObject method creates a custom (or user) WDF object from a parent WDF object.

The IsVersionAvailable method determines whether the specified version of the framework is available.

The RetrieveVersionString method retrieves the version of the framework.


End of support Unavailable in UMDF 2.0 and later.
Target Platform Desktop
Minimum UMDF version 1.5
Header wudfddi.h