DuctSizes

Name	Return Type	Description	Inherited From
M Contains(Double)	bool	Checks whether a duct size with the nominal diameter exists.
M Dispose()	None	Releases all resources used by the DuctSizes
M Equals	None	(Inherited from Object .)	Object .
M GetBasicIEnumerator()	IEnumerator	Returns an enumerator that iterates through a collection.
M GetDuctSizeIterator()	DuctSizeIterator	Returns a DuctSizeIterator that iterates through the collection.
M GetEnumerator()	IEnumerator<MEPSize>	Returns an enumerator that iterates through a collection.
M GetHashCode	None	(Inherited from Object .)	Object .
M GetType	None	(Inherited from Object .)	Object .
M ToString	None	(Inherited from Object .)	Object .

Name	Return Type	Description	Inherited From
P Count	int	Count of the items contained in the collection.
P IsValidObject	bool	Specifies whether the .NET object represents a valid Revit entity.