WdfDeviceSetDeviceInterfaceState method
[Applies to KMDF and UMDF]
The WdfDeviceSetDeviceInterfaceState method enables or disables a device interface for a specified device.
Syntax
VOID WdfDeviceSetDeviceInterfaceState( [in] WDFDEVICE Device, [in] const GUID *InterfaceClassGUID, [in, optional] PCUNICODE_STRING ReferenceString, [in] BOOLEAN IsInterfaceEnabled );
Parameters
- Device [in]
-
A handle to a framework device object.
- InterfaceClassGUID [in]
-
A pointer to a GUID that identifies the device interface class.
- ReferenceString [in, optional]
-
A pointer to a UNICODE_STRING structure that describes a reference string for the device interface. This parameter is optional and can be NULL.
- IsInterfaceEnabled [in]
-
A Boolean value that, if TRUE, enables the specified device interface instance or, if FALSE, disables it.
Return value
None.
A bug check occurs if the driver supplies an invalid object handle.
Remarks
For more information about device interfaces and the WdfDeviceSetDeviceInterfaceState method, see Using Device Interfaces.
Examples
The following code example disables a driver's COM port interface.
WdfDeviceSetDeviceInterfaceState (
Device,
(LPGUID) &GUID_DEVINTERFACE_COMPORT,
NULL,
FALSE
);
Requirements
|
Minimum KMDF version | 1.0 |
|---|---|
|
Minimum UMDF version | 2.0 |
|
Header |
|
|
Library |
|
|
IRQL | PASSIVE_LEVEL |
|
DDI compliance rules | DriverCreate, KmdfIrql, KmdfIrql2 |
See also
