[ Version ( since = "2.6" ) ]
public void set_row_separator_func (owned TreeViewRowSeparatorFunc? func)
Sets the row separator function, which is used to determine whether a row should be drawn as a separator.
If the row separator function is null, no separators are drawn. This is the default value.
| this |
a TreeView |
| func | |
| data |
user data to pass to |
| destroy |
destroy notifier for |