M

FilteredElementCollector.OfCategoryId

Description:
Applies an ElementCategoryFilter to the collector.

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.

public FilteredElementCollector OfCategoryId(
	ElementId categoryId
)

Public Function OfCategoryId ( 
	categoryId As ElementId
) As FilteredElementCollector

public:
FilteredElementCollector^ OfCategoryId(
	ElementId^ categoryId
)

member OfCategoryId : 
        categoryId : ElementId -> FilteredElementCollector

ElementId

categoryId

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.

ArgumentNullException

A non-optional argument was null