Wall.IsValidTargetAttachment
Description:
Says whether the element id can be used as a target for a new attachment.
Says whether the element id can be used as a target for a new attachment.
Remarks:
Valid targets are roofs, floors, ceilings, toposolids, or other walls.
Valid targets are roofs, floors, ceilings, toposolids, or other walls.
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A non-optional argument was null