GtkPolicyType
Determines when a scroll bar will be visible.
Value | Symbolic name | Description |
| Â Â 0 | Gtk::POLICY_ALWAYS | The scrollbar is always visible. |
| Â Â 1 | Gtk::POLICY_AUTOMATIC | The scrollbar will appear and disappear as necessary. For example, when all of a GtkCList can not be seen. |
| Â Â 2 | Gtk::POLICY_NEVER | The scrollbar will never appear. |