WdfDeviceGetDeviceState function (wdfdevice.h)
[Applies to KMDF and UMDF]
The WdfDeviceGetDeviceState method retrieves the device state for a specified device.
Syntax
void WdfDeviceGetDeviceState(
[in] WDFDEVICE Device,
[in, out] PWDF_DEVICE_STATE DeviceState
);
Parameters
[in] Device
A handle to a framework device object.
[in, out] DeviceState
A pointer to a caller-allocated WDF_DEVICE_STATE structure that receives the device's state information.
Return value
None
Remarks
A bug check occurs if the driver supplies an invalid object handle.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Universal |
| Minimum KMDF version | 1.0 |
| Minimum UMDF version | 2.0 |
| Header | wdfdevice.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) |