WdfRequestGetParameters - NtDoc
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// wdfrequest.h
VOID WdfRequestGetParameters(
[in] WDFREQUEST Request,
[in, out] PWDF_REQUEST_PARAMETERS Parameters
);
View the official Windows Driver Kit DDI referenceNo description available.
[Applies to KMDF and UMDF]
The WdfRequestGetParameters method retrieves the parameters that are associated with a specified framework request object.
Request [in]A handle to a framework request object.
Parameters [in, out]A pointer to a caller-allocated WDF_REQUEST_PARAMETERS structure that the WDF_REQUEST_PARAMETERS_INIT routine initialized and filled in.
A bug check occurs if the driver supplies an invalid object handle.
A driver cannot retrieve parameters from a driver-created request by calling WdfRequestGetParameters because the framework does not allocate a stack location for the current driver.
For more information about WdfRequestGetParameters, see Obtaining Information About an I/O Request.
For a code example that uses WdfRequestGetParameters, see WdfRequestComplete.