FilteredElementCollector.FirstElementId
Description:
Returns the id of the first element to pass the filter(s).
Returns the id of the first element to pass the filter(s).
Remarks:
This will reset the collector to the beginning and find the first element that passes 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 find the first element that passes the applied filter(s). If you have an active iterator to this same collector it will be stopped by this call.
public ElementId FirstElementId()
ElementId
The first element id.
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The collector does not have a filter applied. Extraction or iteration of elements is not permitted without a filter.