Warning
gtk_ui_manager_add_ui_from_file is deprecated and should not be used in newly-written code. 3.10
Parses a file containing a UI definition and
merges it with the current contents of manager.
Since 2.4
The merge id for the merged UI. The merge id can be used to unmerge the UI with gtk_ui_manager_remove_ui(). If an error occurred, the return value is 0.
Warning gtk_ui_manager_add_ui_from_file is deprecated and should not be used in newly-written code. 3.10 Parses a file containing a UI definition and merges it with the current contents of manager. Since 2.4