[ NoWrapper ]
public abstract void custom_tag_end (Builder builder, Object? child, string tagname, void* data)
Called at the end of each custom element handled by the buildable.
| this |
A `GtkBuildable` |
| builder |
`GtkBuilder` used to construct this object |
| child |
child object or null for non-child tags |
| tagname |
name of tag |
| data |
user data that will be passed in to parser functions |