IsRelinkValid Method (ILinksModel)

This predicate is true if changing an existing link between two nodes/ports would result in a valid graph

Syntax

bool IsRelinkValid( 
   object newfromdata,
   object newfromparam,
   object newtodata,
   object newtoparam,
   object oldlinkdata
)

newfromdata: a node key identifying the node data from which the new link would come
newfromparam: an optional value identifying which port on the "from" node the link would be connected to
newtodata: a node key identify the node data to which the new link would go
newtoparam: an optional value identifying which port on the "to" node the link would be connected to
oldlinkdata: an existing link that would be deleted