The host toposolid id of the current toposolid subdivision.
If the object is not a toposolid subdivision, hostTopoId will be InvalidElementId.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)
Syntax
C#
public ElementId HostTopoId { get; }