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title description keywords ms.date
COM Interfaces for Rendering Plug-Ins
COM Interfaces for Rendering Plug-Ins
rendering plug-ins WDK print , COM interfaces
COM interfaces WDK print , rendering plug-ins
01/26/2023

COM Interfaces for Rendering Plug-Ins

[!includePrint Support Apps]

The following COM interfaces are defined for communication between Microsoft's printer drivers and rendering plug-ins:

IPrintOemUni COM Interface, which allows the printer graphics DLL for Unidrv to call rendering plug-ins.

IPrintOemUni2 COM Interface, which extends the capabilities of the IPrintOemUni COM interface.

IPrintOemUni3 COM Interface, which extends the capabilities of the IPrintOemUni and IPrintOemUni2 COM interfaces.

IPrintOemDriverUni COM Interface, which supplies utility operations to rendering plug-ins for Unidrv.

IPrintOemPS COM Interface, which allows the printer graphics DLL for Pscript5 to call rendering plug-ins.

IPrintOemPS2 COM Interface, which extends the capabilities of the IPrintOemPS COM interface.

IPrintOemDriverPS COM Interface, which supplies utility operations to rendering plug-ins for Pscript5.

IPrintCorePS2 COM Interface, which provides helper methods for Pscript5 minidriver render plug-ins.

The following figure shows the inheritance tree for the COM interfaces used in render plug-ins.

diagram illustrating the inheritance tree for the com interfaces used in render plug-ins.