ToElementIds Method

Returns the complete set of element ids that pass the filter(s).

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Since: 2011


public ICollection<ElementId> ToElementIds()
Visual Basic
Public Function ToElementIds As ICollection(Of ElementId)
Visual C++
ICollection<ElementId^>^ ToElementIds()

Return Value

The complete set of element ids.


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.


Exception Condition
Autodesk.Revit.Exceptions InvalidOperationException The collector does not have a filter applied. Extraction or iteration of elements is not permitted without a filter.

See Also