Warning
gtk_ui_manager_add_ui_from_string is deprecated and should not be used in newly-written code. 3.10
Parses a string containing a UI definition and
merges it with the current contents of manager. An enclosing <ui>
element is added if it is missing.
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_string is deprecated and should not be used in newly-written code. 3.10 Parses a string containing a UI definition and merges it with the current contents of manager. An enclosing <ui> element is added if it is missing. Since 2.4