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IPrintOemUI::DevMode method (prcomoem.h)

  • Article

The IPrintOemUI::DevMode method, provided by user interface plug-ins, performs operations on the plug-in's private DEVMODEW members.

Syntax

HRESULT DevMode(
  DWORD       dwMode,
  POEMDMPARAM pOemDMParam
);

Parameters

dwMode

Caller-supplied constant. See the following Remarks section.

pOemDMParam

Caller-supplied pointer to an OEMDMPARAM structure.

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.

Remarks

User interface plug-ins must implement a IPrintOemUI::DevMode method if they define private DEVMODEW structure members. The method's purpose is to define, validate, or convert (from one version to another) the contents of the private DEVMODEW structure members.

A private DEVMODEW section must be prefaced by a OEM_DMEXTRAHEADER structure.

The IPrintOemUI::DevMode method must perform the operation indicated by its dwMode value. Each time IPrintOemUI::DevMode is called, dwMode contains one of the following constants, which are listed in the order they are received:

Requirements

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

See also

IPrintOemPS::DevMode

IPrintOemUI

IPrintOemUni::DevMode