WdfIoQueueGetDevice function

[Applies to KMDF and UMDF]

The WdfIoQueueGetDevice method returns a handle to the framework device object that a specified I/O queue belongs to.

Syntax

WDFDEVICE WdfIoQueueGetDevice(
  WDFQUEUE Queue
);

Parameters

Queue

A handle to a framework queue object.

Return Value

WdfIoQueueGetDevice returns a handle to a framework device object.

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

Remarks

For more information about the WdfIoQueueGetDevice method, see Obtaining I/O Queue Properties.

Examples

The following code example obtains a handle to the framework device object that is associated with the I/O queue that contains a specified request.

WDFDEVICE  device;

device = WdfIoQueueGetDevice(WdfRequestGetIoQueue(Request));

Requirements

   
Target Platform Universal
Minimum KMDF version 1.0
Minimum UMDF version 2.0
Header wdfio.h (include Wdf.h)
Library Wdf01000.sys (KMDF); WUDFx02000.dll (UMDF)
IRQL "<= DISPATCH_LEVEL"
DDI compliance rules DriverCreate, KmdfIrql, KmdfIrql2

See Also

WdfRequestGetIoQueue