Add a new family instance of an union fitting into the Autodesk Revit document, using two connectors.

Namespace: Autodesk.Revit.Creation
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)

Syntax

C#
`public FamilyInstance NewUnionFitting( Connector connector1, Connector connector2 )`

Visual Basic
`Public Function NewUnionFitting ( _ connector1 As Connector, _ connector2 As Connector _ ) As FamilyInstance`

Visual C++
`public: FamilyInstance^ NewUnionFitting( Connector^ connector1, Connector^ connector2 )`

connector1: Type: Autodesk.Revit.DB Connector
The first connector to be connected to the union.

connector2: Type: Autodesk.Revit.DB Connector
The second connector to be connected to the union.

If creation was successful then an family instance to the new object is returned, otherwise an exception with failure information will be thrown.

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions ArgumentNullException	Thrown when the input argument connector1 or connector2 is a null reference ( Nothing in Visual Basic) .
Autodesk.Revit.Exceptions ArgumentException	Thrown when the connectors cannot be used for union creation. For example, they cannot be from the same element, they must be of the same domain and shape, and the owner of the connector1 should be a (flex) duct or pipe.
Autodesk.Revit.Exceptions InvalidOperationException	Thrown when union fitting cannot be created.