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Namespace: Autodesk.Revit.DB Class: RevitLinkType

RevitLinkType.GetRootId

Method
Description:
Gets the id of the top-level link which this link is linked into.
Remarks:
This function will always return the id of a top-level link, or invalidElementId. Given the link structure A -> B -> C, then calling this function on C will return A's id. Call GetParentId to get B's id.
Syntax
public ElementId GetRootId()