This function is meant primarily for `GObjects` that inherit from `GtkTreeStore`, and should only be used when constructing a new `GtkTreeStore`.
It will not function after a row has been added, or a method on the `GtkTreeModel` interface is called.
| this |
A `GtkTreeStore` |
| types |
An array of `GType` types, one for each column |
| n_columns |
Number of columns for the tree store |