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PosCxGetDeviceInterfaceTag function (poscx.h)

  • Article

PosCxGetDeviceInterfaceTag returns the device interface tag that is set in PosCxOpen.

Syntax

ULONG PosCxGetDeviceInterfaceTag(
  [in] WDFFILEOBJECT fileObject
);

Parameters

[in] fileObject

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

Return value

The device interface tag value.

Requirements

Requirement Value
Target Platform Windows
Header poscx.h (include Poscx.h)

See also

PosCxOpen