The DuctSizes type exposes the following members.

Methods

	Name	Description
	Contains	Checks whether a duct size with the nominal diameter exists.
	Dispose	Releases all resources used by the DuctSizes
	Equals	Determines whether the specified Object is equal to the current Object . (Inherited from Object .)
	GetBasicIEnumerator	Returns an enumerator that iterates through a collection.
	GetDuctSizeIterator	Returns a DuctSizeIterator that iterates through the collection.
	GetEnumerator	Returns an enumerator that iterates through a collection.
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object .)
	GetType	Gets the Type of the current instance. (Inherited from Object .)
	ToString	Returns a string that represents the current object. (Inherited from Object .)

Properties

	Name	Description
	Count	Count of the items contained in the collection.
	IsValidObject	Specifies whether the .NET object represents a valid Revit entity.