signal callback delegate or function to connect
void callback(gtk.widget.Widget widget, gtk.print_operation.PrintOperation printOperation)
widget the custom widget added in create-custom-widget (optional)
printOperation the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to CustomWidgetApply signal.
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.