WdfDeviceGetDevicePnpState method
[Applies to KMDF only]
The WdfDeviceGetDevicePnpState method returns the current state of the framework's Plug and Play state machine for a specified device.
Syntax
WDF_DEVICE_PNP_STATE WdfDeviceGetDevicePnpState(
[in] WDFDEVICE Device
);
Parameters
- Device [in]
-
A handle to a framework device object.
Return value
WdfDeviceGetDevicePnpState returns a WDF_DEVICE_PNP_STATE-typed enumerator that identifies the current state of the framework's Plug and Play state machine for the specified device.
A bug check occurs if the driver supplies an invalid object handle.
Remarks
Most drivers do not need to be aware of the state of the framework's Plug and Play state machine. For more information about the framework's state machines, see State Machines in the Framework.
Examples
The following code example obtains the current state of the framework's Plug and Play state machine for a specified device.
WDF_DEVICE_PNP_STATE state; state = WdfDeviceGetDevicePnpState(Device);
Requirements
|
Minimum KMDF version | 1.0 |
|---|---|
|
Header |
|
|
Library |
|
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IRQL | <= DISPATCH_LEVEL |
|
DDI compliance rules | DriverCreate, KmdfIrql, KmdfIrql2 |
See also
