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FilteredElementCollector.OfCategoryId Method

Applies an ElementCategoryFilter to the collector.


Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0)

Syntax

C#

public FilteredElementCollector OfCategoryId(
	ElementId categoryId
)

Parameters

categoryId  ElementId
The category id.

Return Value

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

ExceptionCondition
ArgumentNullException A non-optional argument was null

Remarks

Only elements of this category id will pass the collector. If you have an active iterator to this collector it will be stopped by this call.

See Also

Reference

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