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WdfRequestGetParameters 方法

The WdfRequestGetParameters method retrieves the parameters that are associated with a specified framework request object.

语法

VOID WdfRequestGetParameters(
  [in]   WDFREQUEST Request,
  [out]  PWDF_REQUEST_PARAMETERS Parameters
);

参数

Request [in]

A handle to a framework request object.

Parameters [out]

A pointer to a caller-allocated WDF_REQUEST_PARAMETERS structure that the WDF_REQUEST_PARAMETERS_INIT routine initialized and filled in.

返回值

None.

A bug check occurs if the driver supplies an invalid object handle.

评论

For more information about WdfRequestGetParameters, see Obtaining Information About an I/O Request.

示例

For a code example that uses WdfRequestGetParameters, see WdfRequestComplete.

要求

版本

Available in version 1.0 and later versions of KMDF.

标头

Wdfrequest.h (包括Wdf.h)

Wdf<MajorVersionNumber>000.sys (see Framework Library Versions.)

IRQL

<=DISPATCH_LEVEL

另请参见

WdfRequestWdmGetIrp
WDF_REQUEST_PARAMETERS_INIT
WDF_REQUEST_PARAMETERS

 

 

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