ElementFilter

Name	Return Type	Description	Inherited From
M Dispose()	None	Releases all resources used by the ElementFilter
M Equals	None	(Inherited from Object .)	Object .
M GetHashCode	None	(Inherited from Object .)	Object .
M GetType	None	(Inherited from Object .)	Object .
M PassesFilter(Element)	bool	Applies the filter to a given element.
M PassesFilter(Document, ElementId)	bool	Applies the filter to a given element.
M ToString	None	(Inherited from Object .)	Object .

Name	Return Type	Description	Inherited From
P Inverted	bool	True if the results of the filter are inverted; elements that would normally be accepted by this filter will be rejected, and elements that would normally be rejected will be accepted.
P IsValidObject	bool	Specifies whether the .NET object represents a valid Revit entity.