Parses a file containing a GtkBuilder
UI definition and merges it with the current contents of builder.
Most users will probably want to use gtk_builder_new_from_file().
Upon errors 0 will be returned and error will be assigned a
GError from the GTK_BUILDER_ERROR, G_MARKUP_ERROR or G_FILE_ERROR
domain.
It's not really reasonable to attempt to handle failures of this
Since 2.12
Parses a file containing a GtkBuilder UI definition and merges it with the current contents of builder. Most users will probably want to use gtk_builder_new_from_file(). Upon errors 0 will be returned and error will be assigned a GError from the GTK_BUILDER_ERROR, G_MARKUP_ERROR or G_FILE_ERROR domain. It's not really reasonable to attempt to handle failures of this Since 2.12