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FilteredElementCollector.IntersectWith

Method
Description:
Intersects the set of elements passing the filter in this collector with the set of elements passing the filter in another collector.
Remarks:
The result will be the same as using a LogicalAndFilter to connect this filter with another. If you have an active iterator to this collector it will be stopped by this call.
Parameters
Parameter Type Description
other FilteredElementCollector The other collector
Return Value
Type Description
FilteredElementCollector A handle to this collector. This is the same collector that has just been modified, returned so you can chain multiple calls together in one line.
Exceptions
Exception Condition
ArgumentException The collector does not have a filter applied. Extraction or iteration of elements is not permitted without a filter.
ArgumentNullException A non-optional argument was null
InvalidOperationException The collector does not have a filter applied. Extraction or iteration of elements is not permitted without a filter.