Retrieve the hard margins of this.
These are the margins that define the area at the borders of the paper that the printer cannot print to.
Note: This will not succeed unless the printer’s details are available, see [method@Gtk.Printer.has_details] and [ method@Gtk.Printer.request_details].
| this |
a `GtkPrinter` |
| top |
a location to store the top margin in |
| bottom |
a location to store the bottom margin in |
| left |
a location to store the left margin in |
| right |
a location to store the right margin in |
|
true iff the hard margins were retrieved |