FilteredElementCollector.ToElementIds
Description:
Returns the complete set of element ids that pass the filter(s).
Returns the complete set of element ids that pass the filter(s).
Remarks:
This will reset the collector to the beginning and extract all elements that pass the applied filter(s). If you have an active iterator to this same collector it will be stopped by this call.
This will reset the collector to the beginning and extract all elements that pass the applied filter(s). If you have an active iterator to this same collector it will be stopped by this call.
public ICollection<ElementId> ToElementIds()
ICollection<ElementId>
The complete set of element ids.
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The collector does not have a filter applied. Extraction or iteration of elements is not permitted without a filter.