// poscx.h

NTSTATUS PosCxMarkPosApp(
  [in] WDFDEVICE     device,
  [in] WDFFILEOBJECT fileObject,
  [in] BOOLEAN       isPosApp
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-poscx-poscxmarkposapp)

Description

PosCxMarkPosApp marks the open instance as associated or not associated with a point-of-service application.

This optional method provides value if the driver implements multiple device interfaces. It helps to identify which interface is currently in use.

Parameters

`device` [in]

A handle to a framework device object that represents the device.

`fileObject` [in]

A handle to a framework file object that identifies the caller, usually acquired with WdfRequestGetFileObject.

`isPosApp` [in]

Specifies if the open instance is associated with a point-of-service application. Set to TRUE if it is associated with a point-of-service application. Otherwise, set to FALSE.

Return value

Possible return values are:

Value	Description
STATUS_SUCCESS	Completed successfully.
INVALID_PARAMETER	The specified fileObject is invalid.

View the official Windows Driver Kit DDI reference