Gets the #GtkApplication associated with the builder.
The #GtkApplication is used for creating action proxies as requested
from XML that the builder is loading.
By default, the builder uses the default application: the one from
g_application_get_default(). If you want to use another application
for constructing proxies, use gtk_builder_set_application().
Return: the application being used by the builder,
or %NULL
Gets the #GtkApplication associated with the builder.
The #GtkApplication is used for creating action proxies as requested from XML that the builder is loading.
By default, the builder uses the default application: the one from g_application_get_default(). If you want to use another application for constructing proxies, use gtk_builder_set_application().
Return: the application being used by the builder, or %NULL