Emitted right before #GtkPrintOperation::begin-print if you added
a custom widget in the #GtkPrintOperation::create-custom-widget handler.
When you get this signal you should read the information from the
custom widgets, as the widgets are not guaraneed to be around at a
later time.
Emitted right before #GtkPrintOperation::begin-print if you added a custom widget in the #GtkPrintOperation::create-custom-widget handler. When you get this signal you should read the information from the custom widgets, as the widgets are not guaraneed to be around at a later time.