Details of the IPrintCoreHelperUni Interface

Important

We recommend that you use Microsoft's IPP inbox class driver, along with Print Support Apps (PSA), to customize the print experience in Windows 10 and 11 for printer device development.

For more information, see the Print support app design guide.

The IPrintCoreHelperUni interface is the version of the helper interface that is provided by and implemented in the Unidrv UI and render modules. In addition to all of the methods of the base IPrintCoreHelper interface, the IPrintCoreHelperUni interface contains the following methods, which provide access to the GDL snapshot: