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IPrintOemUI::PrinterEvent method (prcomoem.h)

  • Artikel

The IPrintOemUI::PrinterEvent method allows a user interface plug-in to process printer events.

Syntax

HRESULT PrinterEvent(
  PWSTR  pPrinterName,
  INT    iDriverEvent,
  DWORD  dwFlags,
  LPARAM lParam
);

Parameters

pPrinterName

Caller-supplied pointer to a NULL-terminated printer name string. The string can identify a local printer ("PrinterName") or remote printer ("\Machine\PrinterName").

iDriverEvent

Caller-supplied value identifying the event that has occurred. For a list of valid values, see DrvPrinterEvent.

dwFlags

Caller-supplied flags. For a list of valid flags, see DrvPrinterEvent.

lParam

Caller-supplied event-specific parameter. For more information, see DrvPrinterEvent.

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

A user interface plug-in's IPrintOemUI::PrinterEvent method performs the same types of operations as the DrvPrinterEvent function that is exported by user-mode printer interface DLLs. For information about printer events and how they should be processed, see the description of the DrvPrinterEvent function.

If you provide a user interface plug-in, the printer driver's DrvPrinterEvent function calls the IPrintOemUI::PrinterEvent method. The DrvPrinterEvent function performs its own processing for the specified event, and then calls the IPrintOemUI::PrinterEvent method to handle additional processing of the event.

If IPrintOemUI::PrinterEvent methods are exported by multiple user interface plug-ins, the methods are called in the order that the plug-ins are specified for installation.

For more information about creating and installing user interface plug-ins, see Customizing Microsoft's Printer Drivers.

Requirements

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

See also

DrvPrinterEvent

IPrintOemUI