IRequestCallbackRequestCompletion 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.]
A driver implements the IRequestCallbackRequestCompletion interface to complete a request object.
Inheritance
The IRequestCallbackRequestCompletion interface inherits from the IUnknown interface. IRequestCallbackRequestCompletion also has these types of members:
- Methods
Methods
The IRequestCallbackRequestCompletion interface has these methods.
| IRequestCallbackRequestCompletion::OnCompletion The OnCompletion method completes the specified request. |
Remarks
A driver registers the IRequestCallbackRequestCompletion interface when it calls the IWDFIoRequest::SetCompletionCallback method. For more information about how a driver completes an I/O request, see Completing I/O Requests.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | wudfddi.h |
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