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PFNREFERENCEDEVICEOBJECT callback function (swenum.h)

  • Article

The driver can use this routine to increment the reference count of the PDO.

Syntax

PFNREFERENCEDEVICEOBJECT Pfnreferencedeviceobject;

void Pfnreferencedeviceobject(
  [in] PVOID Context
)
{...}

Parameters

[in] Context

Pointer to a device extension of the device's PDO.

Return value

None

Remarks

The driver can access this method through the ReferenceDeviceObject member of the BUS_INTERFACE_REFERENCE structure.

The device object remains active and enumerated until the reference count returns to 0.

Requirements

Requirement Value
Target Platform Desktop
Header swenum.h (include Ks.h, Swenum.h)