<ThreadSafetyStatement>Gtk# is thread aware, but not thread safe; See the <linklocation="node:gtk-sharp/programming/threads">Gtk# Thread Programming</link> for details.</ThreadSafetyStatement>
<summary>A delegate for methods that handle tree cell data.</summary>
<remarks>Methods with this shape are used to specify how to fill in tree data; see for example <seecref="M:Gtk.TreeViewColumn.SetCellDataFunc()"/> for one place where this class is used as a parameter.</remarks>