append
⚠️ Deprecated ⚠️
This is deprecated since version 4.10.
Use list models
---Appends a new row to @list_store. @iter will be changed to point to this new row. The row will be empty after this function is called. To fill in values, you need to call gtk_list_store_set() or gtk_list_store_set_value().
Parameters
iter
An unset GtkTreeIter to set to the appended row