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IWDFIoRequestCompletionParams interface (wudfddi.h)

  • Article

[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 IWDFIoRequestCompletionParams 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 asynchronous I/O operation completes.

Inheritance

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

  • Methods

Methods

The IWDFIoRequestCompletionParams interface has these methods.

 
IWDFIoRequestCompletionParams::GetIoctlParameters

The GetIoctlParameters method retrieves parameters that are associated with the completion of a device I/O control request.
IWDFIoRequestCompletionParams::GetReadParameters

The GetReadParameters method retrieves parameters that are associated with the completion of a read request.
IWDFIoRequestCompletionParams::GetWriteParameters

The GetWriteParameters method retrieves parameters that are associated with the completion of a write 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