Sets the #GtkMenuItem used in the toolbar overflow menu. The @menu_item_id is used to identify the caller of this function and should also be used with gtk_tool_item_get_proxy_menu_item().
a string used to identify @menu_item
a #GtkMenuItem to be used in the overflow menu
2.4
See Implementation
Sets the #GtkMenuItem used in the toolbar overflow menu. The @menu_item_id is used to identify the caller of this function and should also be used with gtk_tool_item_get_proxy_menu_item().