Creates a list of path of all selected rows.
Use GtkListView or GtkColumnView
Additionally, if you are planning on modifying the model after calling this function, you may want to convert the returned list into a list of `GtkTreeRowReference`s. To do this, you can use TreeRowReference.
To free the return value, use:
g_list_free_full (list, (GDestroyNotify) gtk_tree_path_free);
this |
A `GtkTreeSelection`. |
model |
A pointer to set to the `GtkTreeModel` |
A `GList` containing a `GtkTreePath` for each selected row. |