The default implementation of the IFoldingEdgeConverter that is used by the FoldingManager initially and can be customized to suit the application's needs.
A label model for labels at node ports which places the label either inside or outside of the owner node of the port, according to the node border that is closest to the port position.
An IFoldingEdgeConverter implementation that makes the view contain at most one folding edge between each pair of nodes by letting a single folding edge represent all master edges.
A specialized subclass of the ItemEventArgs<T> class that is bound to the INode type and carries additional information about the parent node and the group node status.
This interface is a means to bracket several IUndoUnits, that is a collection of units that are treated as one (for example they are always undone or redone as a single unit).