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(). Since 2.4
a string used to identify menu_item
a GtkMenuItem to be used in the overflow menu
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(). Since 2.4