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IWDFRequestCompletionParams interface (wudfddi.h)

  • Artikel

[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 IWDFRequestCompletionParams interface exposes methods that drivers can use to obtain completion information about an I/O request. Drivers can call these methods after a synchronous or an asynchronous I/O operation completes.

Inheritance

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

  • Methods

Methods

The IWDFRequestCompletionParams interface has these methods.

 
IWDFRequestCompletionParams::GetCompletedRequestType

The GetCompletedRequestType method retrieves the type of operation that the request to be completed contains.
IWDFRequestCompletionParams::GetCompletionStatus

The GetCompletionStatus method retrieves the completion status of an I/O request.
IWDFRequestCompletionParams::GetInformation

The GetInformation method retrieves information that is associated with the completion of an I/O request.

Requirements

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