WdfIoQueueGetDevice function (wdfio.h)
[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(
[in] WDFQUEUE Queue
);
Parameters
[in] 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
| Requirement | Value |
|---|---|
| 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(kmdf), KmdfIrql(kmdf), KmdfIrql2(kmdf), KmdfIrqlExplicit(kmdf) |