Protected Overridable Function CheckLinkValid( _
   ByVal fromdata As NodeType, _
   ByVal fromparam As PortKey, _
   ByVal todata As NodeType, _
   ByVal toparam As PortKey, _
   ByVal ignoreexistinglink As Boolean, _
   ByVal oldlinkdata As LinkType _
) As Boolean

protected virtual bool CheckLinkValid( 
   NodeType fromdata,
   PortKey fromparam,
   NodeType todata,
   PortKey toparam,
   bool ignoreexistinglink,
   LinkType oldlinkdata
)

Parameters

fromdata

a node key identifying the node data from which the link comes

fromparam

an optional value identifying which port on the "from" node the link is connected to

todata

a node key identify the node data to which the link goes

toparam

an optional value identifying which port on the "to" node the link is connected to

ignoreexistinglink

true if relinking; false if adding a new link

oldlinkdata

the original link data that might be modified, if ignoreexistinglink is true

Return Value

Reference