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IPrintOemDriverUni::DrvGetStandardVariable method (prcomoem.h)

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The IPrintOemDriverUni::DrvGetStandardVariable method is provided by the Unidrv driver so that rendering plug-ins can obtain the current value of Unidrv's standard variables.

Syntax

HRESULT DrvGetStandardVariable(
  PDEVOBJ pdevobj,
  DWORD   dwIndex,
  PVOID   pBuffer,
  DWORD   cbSize,
  PDWORD  pcbNeeded
);

Parameters

pdevobj

Caller-supplied pointer to a DEVOBJ structure.

dwIndex

Caller-supplied, SVI_-prefixed index into the list of Unidrv's standard variables. The SVI_-prefixed index values are defined in printoem.h.

pBuffer

Caller-supplied pointer to a DWORD to receive the standard variable's current value.

cbSize

Caller-supplied size of the buffer pointed to by pBuffer.

pcbNeeded

Caller-supplied pointer to a location to receive the minimum buffer size required to contain the requested information.

Return value

The method must return one of the following values.

Return code Description
S_OK
 The operation succeeded.
E_FAIL
 The operation failed.
E_NOTIMPL
 The method is not implemented.

Requirements

Requirement Value
Target Platform Desktop
Header prcomoem.h (include Prcomoem.h)