Returns all dimension elements that are currently labeled by this global parameter.
Assembly: RevitAPI (in RevitAPI.dll) Version: 18.104.22.168 (22.214.171.124)
Since: 2016 Subscription Update
Return ValueCollection of Element Ids.
In case of a reporting parameter the returned collection will contain at most one element - the driving dimension, if it has been set already. It is because reporting parameters may have only one dimension labeled. For non-reporting parameters the set would contain all dimensions that have been labeled by this global parameter.