[ CCode ( cprefix = "GTK_POLICY_" , type_id = "gtk_policy_type_get_type ()" ) ]
public enum PolicyType
Determines how the size should be computed to achieve the one of the visibility mode for the scrollbars.
- ALWAYS - The scrollbar is always visible.
- AUTOMATIC - The scrollbar will appear
and disappear as necessary.
- EXTERNAL - Don't show a scrollbar, but
don't force the size to follow the content.
- NEVER - The scrollbar should never appear.