MultistoryStairs.StandardStairsId
Description:
Id of the stair associated with the Reference Level for the multistory stairs. The standard stair is regarded as a definition to generate new stairs when extending multistory stairs to a different level height.
Id of the stair associated with the Reference Level for the multistory stairs. The standard stair is regarded as a definition to generate new stairs when extending multistory stairs to a different level height.
public ElementId StandardStairsId { get; }