Gtk.PrintOperation:custom-tab-label
"custom-tab-label" String : Read / Write
Used as the label of the tab containing custom widgets. Note that this property may be ignored on some platforms.
If this is null, GTK+ uses a default label.
Since 2.10
"custom-tab-label" String : Read / Write
Used as the label of the tab containing custom widgets. Note that this property may be ignored on some platforms.
If this is null, GTK+ uses a default label.
Since 2.10