Virtualvfunc_Ends a preview.
This function must be called to finish a custom print preview.
Virtualvfunc_Virtualvfunc_Returns whether the given page is included in the set of pages that have been selected for printing.
a page number
Virtualvfunc_Virtualvfunc_Renders a page to the preview, using the print context that
was passed to the Gtk.PrintOperation::preview handler together
with preview.
A custom iprint preview should use this function in its ::expose handler to render the currently selected page.
Note that this function requires a suitable cairo context to be associated with the print context.
the page to render
Interface for implementing PrintOperationPreview. Contains only the virtual methods that need to be implemented.