IWDFCmResourceList 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.]

This interface represents a list of hardware resources for a device.


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

  • Methods


The IWDFCmResourceList interface has these methods.


The GetCount method returns the number of resource descriptors that are contained in this interface's resource list.

The GetDescriptor method returns a pointer to a resource descriptor that is contained in this interface's resource list.


After a UMDF driver receives a translated resource list in its OnPrepareHardware callback, it can use IWDFCmResourceList to scan through the list and identify its port and register resources.


End of support Unavailable in UMDF 2.0 and later.
Target Platform Desktop
Minimum UMDF version 1.11
Header wudfddi.h

See also

Framework Resource-List Object Methods