Gets the ids of all subregion elements hosted on this topography surface.
Namespace:
Autodesk.Revit.DB.Architecture
Assembly:
RevitAPI
(in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since:
2014
Syntax
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Return Value
The hosted subregion ids.Remarks
This applies to a TopographySurface element (not a SiteSubRegion or a topography surface associated with a BuildingPad).
This applies to TopographySurface and SiteSubRegion elements.
Exceptions
| Exception | Condition |
|---|---|
| Autodesk.Revit.Exceptions InvalidOperationException | This element is not a TopographySurface. |
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