IQueueCallbackIoResume 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 IQueueCallbackIoResume interface contains a method that resumes the processing of an I/O request from a queue.

A driver registers the IQueueCallbackIoResume interface when the driver calls the IWDFDevice::CreateIoQueue method to create an I/O queue or to configure the default I/O queue.


The IQueueCallbackIoResume interface inherits from the IUnknown interface. IQueueCallbackIoResume also has these types of members:

  • Methods


The IQueueCallbackIoResume interface has these methods.


The OnIoResume method resumes the processing of the specified I/O request from the specified queue.


Target Platform Windows
Header wudfddi.h