PosCxGetDeviceInterfaceTag function (poscx.h)

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

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

See also

PosCxOpen